After billions of years of monotony, the universe is waking up | David Deutsch

144,354 views ・ 2019-11-05

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翻译人员: Helen Chen 校对人员: Yanyan Hong
00:12
I'm thrilled to be talking to you by this high-tech method.
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我很激动能通过这种 高科技的方法与大家交谈,
00:18
Of all humans who have ever lived,
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大多数曾生活在世上的人们
00:20
the overwhelming majority would have found what we are doing here
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可能会觉得我们现在正在做的
00:24
incomprehensible, unbelievable.
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是不可思议,且难以置信的。
00:27
Because, for thousands of centuries,
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因为,几千个世纪以来,
00:30
in the dark time before the scientific revolution
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在科技革命和启蒙运动到来之前
00:33
and the Enlightenment,
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的黑暗时期,
00:35
people had low expectations.
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人们的期望值很低,
00:38
For their lives, for their descendants' lives.
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不仅对他们自己, 对他们后代的生活也是如此。
00:41
Typically, they expected
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通常,他们从未指望
00:43
nothing significantly new or better to be achieved, ever.
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实现任何新的或更好的成就。
00:48
This pessimism famously appears in the Bible,
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这种悲观主义在《圣经》中很有名,
00:53
in one of the few biblical passages with a named author.
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是圣经中为数不多 的标注了作者的章节之一。
00:58
He's called Qohelet, he's an enigmatic chap.
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这位神秘的家伙 叫库赫莱特 (Qohelet)。
01:02
He wrote, "What has been is what will be,
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他写道,“过去的一切,便是将来,
01:07
and what has been done is what will be done;
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已行的事,后必再行;
01:10
there is nothing new under the sun.
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日光之下并无新事。
01:14
Is there something of which it is said, 'Look, this is new.'
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有没有什么东西可以称之为 ‘看!这是新的’吗?
01:18
No, that thing was already done in the ages that came before us."
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没有,那事在我们之前的 时代就已经发生了。”
01:23
Qohelet was describing a world without novelty.
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库赫莱特形容的是 一个没有新奇的时代。
01:29
By novelty I mean something new in Qohelet's sense,
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创新在库赫莱特看来是新事物,
01:32
not merely something that's changed,
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不仅仅是改变了的东西,
01:35
but a significant change with lasting effects,
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而是一个有长远影响的重大改变,
01:38
where people really would say,
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对此人们会真心感叹,
01:40
"Look, this is new,"
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“看啊,这是新的,”,
01:42
and, preferably, "good."
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且更倾向于认为这是“好”的。
01:46
So, purely random changes aren't novelty.
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纯粹的随机改变并不新奇。
01:50
OK, Heraclitus did say a man can't step in the same river twice,
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赫拉克利特 (Herclitus) 曾说, 一个人不能两次踏进同一条河,
01:56
because it's not the same river, he's not the same man.
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因为那不再是同一条河, 他也不是同一个人了。
01:59
But if the river is changing randomly,
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但如果河流是随机变化的,
02:03
it really is the same river.
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它依然是同一条河。
02:06
In contrast,
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相反,
02:07
if an idea in a mind spreads to other minds,
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如果一个人的想法 传播到很多人的心中,
02:12
and changes lives for generations,
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改变了几代人的生活,
02:15
that is novelty.
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那就叫做新鲜感。
02:17
Human life without novelty
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人类的生活若没了新鲜感,
02:20
is life without creativity, without progress.
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就像生活没了创新,不再进步,
02:24
It's a static society, a zero-sum game.
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成为了一成不变的社会,零和的游戏。
02:28
That was the living hell in which Qohelet lived.
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那就是库赫莱特生活的地狱,
02:32
Like everyone, until a few centuries ago.
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和每个人一样,直到几个世纪前。
02:36
It was hell, because for humans,
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这就是地狱,因为对于人类,
02:40
suffering is intimately related to staticity.
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受难和不变的社会是密切相关的。
02:44
Because staticity isn't just frustrating.
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固化不止令人沮丧,
02:48
All sources of suffering --
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所以受难的根源——
02:50
famine, pandemics, incoming asteroids,
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饥荒,流行病,即将到来的小行星,
02:54
and things like war and slavery,
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以及像战争和奴隶制度这样的事,
02:58
hurt people only until we have created the knowledge to prevent them.
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只会伤害他人,直到我们 创造了阻止他们的办法。
03:04
There's a story in Somerset Maugham's novel "Of Human Bondage"
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毛姆的书《人性的枷锁》中的一个故事,
03:08
about an ancient sage
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讲述了一位古时的圣人,
03:10
who summarizes the entire history of mankind as,
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他将人类的整个历史总结为,
03:16
"He was born,
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“他出生了,
03:18
he suffered and he died."
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“他受难了,和他死去了。”
03:21
And it goes on:
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他继续写道,
03:23
"Life was insignificant and death without consequence."
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“生无意义,死无后果。”
03:28
And indeed, the overwhelming majority of humans who have ever lived
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没错,绝大多数曾经 在这世上生活过的人类
03:33
had lives of suffering and grueling labor,
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都在痛苦和劳动中挣扎,
03:37
before dying young and in agony.
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直到在痛苦中英年早逝。
03:41
And yes, in most generations
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没错,大部分世代的人们,
03:45
nothing had any novel consequence for subsequent generations.
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都未为后代带来什么新奇的影响。
03:50
Nevertheless, when ancient people tried to explain their condition,
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可是,当古人试图解释他们的状况时,
03:58
they typically did so in grandiose cosmic terms.
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他们通常用宏大的宇宙作为术语,
04:02
Which was the right thing to do, as it turns out.
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没想到他们的做法竟是正确的,
04:05
Even though their actual explanations, their myths,
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虽然他们实际的解释, 他们的神话
04:09
were largely false.
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大多都是虚构的。
04:11
Some tried to explain
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有些人曾试图
04:13
the grimness and monotony of their world
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用善恶之间无休止的宇宙战争
04:17
in terms of an endless cosmic war between good and evil,
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来解释他们世界的冷酷和单调,
04:22
in which humans were the battleground.
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而人类就是战场。
04:25
Which neatly explained why their own experience was full of suffering,
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这也很好的说明了为什么 他们的经历充满了煎熬,
04:29
and why progress never happened.
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为什么社会一直没有进步。
04:32
But it wasn't true.
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但这不是真的。
04:36
Amazingly enough,
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令人惊奇的是,
04:38
all their conflict and suffering
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他们所有的冲突和煎熬
04:41
were just due to the way they processed ideas.
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都是由于他们处理思想的方式。
04:47
Being satisfied with dogma, and just-so stories,
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满足于教义和编织的故事,
04:51
rather than criticizing them
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而非去质疑它们,
04:53
and trying to guess better explanations of the world and of their own condition.
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然后试图对世界和他们 自己的状况做出更好的解释。
05:00
Twentieth-century physics did create better explanations,
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二十世纪的物理学家 的确创造了更好的解释,
05:05
but still in terms of a cosmic war.
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可依然是把宇宙战争作为依据。
05:07
This time, the combatants were order and chaos, or entropy.
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这一次,对阵双方是 秩序和混乱,或无序。
05:12
That story does allow for hope for the future.
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这个故事的确给予了 人们对未来的希望。
05:18
But in another way,
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但从另一方面来说,
05:20
it's even bleaker than the ancient myths,
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它也比古代神话还要凄凉,
05:23
because the villain, entropy,
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因为当伴随着所谓的宇宙热死亡,
05:26
is preordained to have the final victory,
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热力学不可抗拒的定律
05:30
when the inexorable laws of thermodynamics shut down all novelty
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阻挡了一切新奇事物的发生时,
05:35
with the so-called heat death of the universe.
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反派,无序就注定 要取得最后的胜利。
05:38
Currently, there's a story of a local battle in that war,
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目前,在那场战争中 有一个在可持续性,也就是秩序,
05:43
between sustainability, which is order,
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与浪费,也就是混乱之间
05:47
and wastefulness, which is chaos --
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的当地斗争的故事——
05:50
that's the contemporary take on good and evil,
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这是当代人们对善与恶的理解,
05:53
often with the added twist that humans are the evil,
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通常伴随着人类是邪恶的念头,
05:56
so we shouldn't even try to win.
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所以我们根本不应该尝试去战胜。
05:59
And recently,
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而最近,
06:00
there have been tales of another cosmic war,
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又出现了另一个宇宙战争的传说,
06:02
between gravity, which collapses the universe,
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使宇宙瓦解的重力,
06:07
and dark energy, which finally shreds it.
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与最终能把其撕裂 的暗能量之间的抗衡。
06:10
So this time,
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所以,这次,
06:11
whichever of those cosmic forces wins,
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无论哪一个宇宙势力胜出
06:15
we lose.
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我们都会输。
06:17
All those pessimistic accounts of the human condition
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所有那些对人类状况的悲观描述
06:22
contain some truth,
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都带着一丝真谛,
06:24
but as prophecies,
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但就像预言,
06:26
they're all misleading, and all for the same reason.
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它们都是因为同一个 原因在误导人们。
06:29
None of them portrays humans as what we really are.
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没有任何一条真正 展现了人类的本质。
06:34
As Jacob Bronowski said,
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就像布鲁诺维奇 (Jacob Bronowski)所说,
06:37
"Man is not a figure in the landscape --
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“人类不是风景的一部分——
06:41
he is the shaper of the landscape."
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而是它的创造者。”
06:43
In other words,
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换而言之,
06:45
humans are not playthings of cosmic forces,
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人类不是宇宙势力的奴隶,
06:49
we are users of cosmic forces.
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而是它的使用者。
06:53
I'll say more about that in a moment,
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稍后我会深入讨论,
06:54
but first, what sorts of thing create novelty?
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但首先,什么样的东西 创造了新事物?
07:00
Well, the beginning of the universe surely did.
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当然,宇宙的诞生功不可没,
07:03
The big bang, nearly 14 billion years ago,
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大约 140 亿年前的大爆炸
07:06
created space, time and energy,
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创造了时空,时间和能量,
07:09
everything physical.
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所有的物体。
07:11
And then, immediately,
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紧接着,
07:13
what I call the first era of novelty,
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在我称之为第一个新世纪的时期,
07:17
with the first atom, the first star,
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诞生了第一颗原子,第一颗行星,
07:20
the first black hole,
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第一个黑洞,
07:21
the first galaxy.
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第一片星系。
07:23
But then, at some point,
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可是,在某个瞬间,
07:27
novelty vanished from the universe.
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宇宙中的创新之力消失了,
07:30
Perhaps from as early as 12 or 13 billion years ago,
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也许是早在120 或 130 亿年以前,
07:34
right up to the present day,
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直到今天,
07:36
there's never been any new kind of astronomical object.
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一直没有什么新的天体诞生。
07:41
There's only been what I call the great monotony.
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我称之为“大单调”。
07:46
So, Qohelet was accidentally even more right
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所以,库赫莱特对太阳之外 的宇宙的认识,
07:51
about the universe beyond the Sun
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碰巧比他对太阳之下
07:54
than he was about under the Sun.
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的认识更正确。
07:57
So long as the great monotony lasts,
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只要大单调还存在,
08:00
what has been out there
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那些存在的,
08:03
really is what will be.
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将会一直在。
08:05
And there is nothing out there
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也不会有别的新事物
08:07
of which it can truly be said, "Look, this is new."
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可以被真正形容为 “看啊,这是新的”。
08:11
Nevertheless,
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然而,
08:13
at some point during the great monotony,
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在大单调的某一刻,
08:17
there was an event -- inconsequential at the time,
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有一个事件—— 当时没有什么意义,
08:21
and even billions of years later,
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而且甚至几十亿年之后,
08:23
it had affected nothing beyond its home planet --
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除了它的母星之外, 它什么也没有影响——
08:27
yet eventually, it could cause cosmically momentous novelty.
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可是最终,它可能会 引起大规模的创新。
08:33
That event was the origin of life:
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那事件就是生命的起源:
08:37
creating the first genetic knowledge,
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创造了第一个基因上的知识,
08:40
coding for biological adaptations,
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让生物开始学会适应,
08:43
coding for novelty.
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学会创新。
08:46
On Earth, it utterly transformed the surface.
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在地球上,它彻底地改变了地球面貌,
08:50
Genes in the DNA of single-celled organisms
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在单细胞生物 DNA 中的基因
08:53
put oxygen in the air,
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将氧气释放到空中,
08:55
extracted CO2,
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吸取二氧化碳,
08:57
put chalk and iron ore into the ground,
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将垩和铁矿融到地里,
09:00
hardly a cubic inch of the surface to some depth has remained unaffected
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几乎每一寸土地 在某种程度上都被
09:06
by those genes.
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那些基因影响了,
09:08
The Earth became, if not a novel place on the cosmic scale,
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就算地球没在宇宙层面上 变成了一个新颖的地方,
09:14
certainly a weird one.
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也至少是令人诧异的一个。
09:16
Just as an example, beyond Earth,
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比如,在地球之外,
09:19
only a few hundred different chemical substances have been detected.
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只有几百种不同的化学物质被发现,
09:24
Presumably, there are some more in lifeless locations,
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据猜测,大概在没有 生命的地方还有更多,
09:27
but on Earth,
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但在地球上,
09:29
evolution created billions of different chemicals.
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进化过程就造就了 几亿种化学物质。
09:33
And then the first plants, animals,
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随之出现了 第一棵植物,第一只动物,
09:36
and then, in some ancestor species of ours,
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然后,在我们的一些祖先物种中,
09:41
explanatory knowledge.
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出现了解释性知识的概念。
09:43
For the first time in the universe, for all we know.
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据我们所知,这是宇宙中的首次。
09:47
Explanatory knowledge is the defining adaptation of our species.
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解释性知识可以用来 定义我们物种的适应性,
09:53
It differs from the nonexplanatory knowledge
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它不同于DNA中无法解释的知识,
09:56
in DNA, for instance,
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例如,
09:58
by being universal.
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它是普遍存在的。
10:00
That is to say, whatever can be understood,
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也就是说,任何可以理解的东西,
10:04
can be understood through explanatory knowledge.
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都可以通过解释性知识理解。
10:07
And more, any physical process
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此外,任何物理的过程,
10:10
can be controlled by such knowledge,
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都可以由这些知识控制,
10:13
limited only by the laws of physics.
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只受物理法则的限制。
10:17
And so, explanatory knowledge, too,
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所以说,解释性知识同样也
10:21
has begun to transform the Earth's surface.
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开始改变了地球的面貌。
10:24
And soon, the Earth will become the only known object in the universe
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不久之后,地球成为了 宇宙中我们唯一所知
10:30
that turns aside incoming asteroids instead of attracting them.
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能把小行星拒之门外, 而非吸引它们碰撞的星球。
10:36
Qohelet was understandably misled
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可以理解,库赫莱特被
10:39
by the painful slowness of progress in his day.
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他所在时代艰难而迟缓 的发展所误导了。
10:44
Novelty in human life was still too rare, too gradual,
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人类生活中的新奇事物仍然太罕见, 发展太缓慢,
10:48
to be noticed in one generation.
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不可能在一代人的时间里被发掘。
10:51
And in the biosphere,
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而在生物圈,
10:53
the evolution of novel species was even slower.
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新物种的进化需要更长时间,
10:57
But both things were happening.
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但两件事情同时都发生了。
11:00
Now, why is there a great monotony in the universe at large,
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为什么宇宙中会有 如此大规模的单调?
11:06
and what makes our planet buck that trend?
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是什么让我们的星球顺从那个趋势?
11:10
Well, the universe at large is relatively simple.
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宇宙之大,其实很简单。
11:16
Stars are so simple
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行星也很简单,
11:18
that we can predict their behavior billions of years into the future,
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我们可以推测未来数亿年以后的样子,
11:21
and retrodict how they formed billions of years ago.
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也可以预测它们亿年前如何形成。
11:26
So why is the universe simple?
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所以为什么宇宙如此简单呢?
11:28
Basically, it's because big, massive, powerful things
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基本上,这是因为巨大的、 强有力的事物强烈地影响着
11:34
strongly affect lesser things, and not vice versa.
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较小的事物,反之则不然。
11:39
I call that the hierarchy rule.
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我称之为“等级制度”。
11:42
For example, when a comet hits the Sun,
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比如,一个彗星撞上了太阳,
11:45
the Sun carries on just as before,
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太阳仍然会正常运转,
11:47
but the comet is vaporized.
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而那颗彗星却会蒸发殆尽。
11:50
For the same reason,
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同理,
11:52
big things are not much affected by small parts of themselves,
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大的物体不会那么 容易受到小物体的影响,
11:59
i.e., by details.
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不容易受到细节影响。
12:01
Which means that their overall behavior
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也就是说,它的整体行为
12:04
is simple.
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很简单。
12:06
And since nothing very new can happen to things
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既然没有什么新鲜事会发生,
12:09
that remain simple,
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它会一直很简单,
12:11
the hierarchy rule, by causing large-scale simplicity,
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等级制度导致了大规模的简单化,
12:16
has caused the great monotony.
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也导致了大单调。
12:20
But, the saving grace is
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但是,令人耳目一新的是,
12:23
the hierarchy rule is not a law of nature.
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等级制度并不是大自然的规律,
12:27
It just happens to have held so far in the universe,
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是巧合让它延续至今,
12:30
except here.
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除了这里。
12:32
In our biosphere, molecule-sized objects, genes,
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在我们的生物圈, 分子大小的物质,也就是基因,
12:37
control vastly disproportionate resources.
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控制着大量不平行的资源,
12:40
The first genes for photosynthesis,
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最早出现的掌管光合作用的基因
12:43
by causing their own proliferation,
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通过引起自身的增殖,
12:46
and then transforming the surface of the planet,
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然后改变地球表面,
12:49
have violated or reversed the hierarchy rule
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以令人吃惊的 10 的 40 次方的规模,
12:54
by the mind-blowing factor of 10 to the power 40.
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已经违背或扭转了等级制度。
12:59
Explanatory knowledge is potentially far more powerful
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解释性知识由于其广泛性和更迅速
13:03
because of universality,
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的创造过程而具有更大的潜力。
13:05
and more rapidly created.
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和创造得更快。
13:08
When human knowledge has achieved a factor 10 to the 40,
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当人的智慧增加到 10 的 40 次方,
13:12
it will pretty much control the entire galaxy,
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基本就有能力掌握整个星系,
13:15
and will be looking beyond.
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而且会进一步探索。
13:17
So humans,
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所以,人类
13:20
and any other explanation creators who may exist out there,
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和其他可能存在的解释性创造者
13:24
are the ultimate agents of novelty for the universe.
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是宇宙创新的最终代理人。
13:30
We are the reason and the means
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我们是新事物产生的原因和方法,
13:33
by which novelty and creativity, knowledge, progress,
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因为我们, 新事物,创造力,知识,发展
13:39
can have objective, large-scale physical effects.
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得以对现实有客观、大规模的影响。
13:45
From the human perspective,
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从人类的角度来说,
13:48
the only alternative to that living hell of static societies
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去改变永恒不变的 地狱社会的唯一方法
13:52
is continual creation of new ideas,
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便是不断地创造新的思想,
13:57
behaviors, new kinds of objects.
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新的行为,新的事物。
14:00
This robot will soon be obsolete,
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这个机器人很快就会过时,
14:02
because of new explanatory knowledge, progress.
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因为新的解释性知识和我们的发展。
14:08
But from the cosmic perspective,
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从宇宙的角度来说,
14:11
explanatory knowledge is the nemesis of the hierarchy rule.
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解释性知识 是等级制度建设的克星,
14:16
It's the destroyer of the great monotony.
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它是大单调的终结者。
14:20
So it's the creator of the next cosmological era,
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因而它将是下一个 宇宙时代的创造者,
14:25
the Anthropocene.
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人类世(Anthropocene)。
14:27
If one can speak of a cosmic war,
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如果有人可以为宇宙大战说话的话,
14:31
it's not the one portrayed in those pessimistic stories.
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它不会是那些悲观主义 故事中描绘的救世主,
14:34
It's a war between monotony and novelty,
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它是一场单调对抗创新的战争,
14:39
between stasis and creativity.
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一场停滞不前对抗创新改变的战争。
14:43
And in this war,
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在这场战争中,
14:45
our side is not destined to lose.
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我们注定不会是失败者,
14:50
If we choose to apply our unique capacity to create explanatory knowledge,
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如果我们能选择运用我们 独特的能力来创造解释性知识,
14:57
we could win.
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我们就可以获得胜利。
15:00
Thanks.
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谢谢。
15:02
(Applause)
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(鼓掌)
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