Plato’s Allegory of the Cave - Alex Gendler

7,243,229 views ・ 2015-03-17

TED-Ed


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翻译人员: Simon Sun 校对人员: Cissy Yun
00:06
What is reality, knowledge, the meaning of life?
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什么是事实 ,什么是知识 生命的意义又是什么
00:10
Big topics you might tackle figuratively
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你可能用打比方的方式来回答这些博大的话题
00:13
explaining existence as a journey down a road or across an ocean,
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比如把存在解释成穿越一条大道、一片海洋
00:18
a climb, a war, a book, a thread, a game, a window of opportunity,
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或者爬山、战争、书、线、游戏、机会之窗
00:25
or an all-too-short-lived flicker of flame.
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亦或是转瞬即逝的火花
00:29
2,400 years ago,
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两千四百年前
00:30
one of history's famous thinkers said life is like being chained up in a cave,
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一位伟大的思想家认为生命就像被锁在洞穴里
00:36
forced to watch shadows flitting across a stone wall.
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看着石墙上来去匆匆的影子
00:39
Pretty cheery, right?
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很有趣的比喻,对吗?
00:41
That's actually what Plato suggested in his Allegory of the Cave,
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这就是著名的柏拉图洞穴之喻
00:45
found in Book VII of "The Republic,"
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记载在《理想国》第七章
00:47
in which the Greek philosopher envisioned the ideal society
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在《理想国》中,这位希腊哲学家通过检验诸如
00:51
by examining concepts like justice, truth and beauty.
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正义、真理、美这些概念,构想了一个完美社会
00:56
In the allegory, a group of prisoners have been confined in a cavern since birth,
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在洞穴寓言中,有一群人从出生就被囚禁在洞穴中
01:01
with no knowledge of the outside world.
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他们背对入口,而且不能转头往后看
01:03
They are chained, facing a wall, unable to turn their heads,
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他们对外面的世界一无所知
01:07
while a fire behind them gives off a faint light.
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但偶尔会有人或动物经过洞口
01:10
Occasionally, people pass by the fire,
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01:13
carrying figures of animals and other objects that cast shadows on the wall.
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在囚犯面对的石墙上投出影子 声音也能传到洞里
囚犯就给这些幻影命名、归类
01:18
The prisoners name and classify these illusions,
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他们认为自己感知到的就是真实的存在
01:21
believing they're perceiving actual entities.
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01:23
Suddenly, one prisoner is freed and brought outside for the first time.
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突然,一个囚犯获得了自由 第一次来到外面的世界
01:29
The sunlight hurts his eyes and he finds the new environment disorienting.
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阳光亮得使他睁不开双眼 新环境让他很迷惑
01:33
When told that the things around him are real,`
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有人告诉他周围的事物是真实的
01:35
while the shadows were mere reflections, he cannot believe it.
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影子只是事物的映像, 但他无法相信这一切
01:39
The shadows appeared much clearer to him.
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因为他看影子更清楚
01:42
But gradually, his eyes adjust
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但慢慢地,他适应了外面的光线
01:45
until he can look at reflections in the water,
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能看清水中的倒影
01:47
at objects directly,
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亲眼看到了各种事物
01:49
and finally at the Sun,
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并最终发现了天上的太阳
01:51
whose light is the ultimate source of everything he has seen.
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正是阳光让他看到了这一切
01:55
The prisoner returns to the cave to share his discovery,
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这个囚犯回到洞穴, 告诉其他人自己的发现
01:59
but he is no longer used to the darkness,
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而这时他已经不适应昏暗的洞穴了
02:01
and has a hard time seeing the shadows on the wall.
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很难再看清墙上的影子
02:05
The other prisoners think the journey has made him stupid and blind,
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其他囚犯认为他在这次旅行后变得愚蠢 甚至眼睛都变瞎了
02:09
and violently resist any attempts to free them.
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他们坚决地抵抗任何试图释放他们的行为
02:13
Plato introduces this passage as an analogy
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柏拉图讲这个故事是要类比
02:16
of what it's like to be a philosopher trying to educate the public.
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试图教育大众的哲学家
02:21
Most people are not just comfortable in their ignorance
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大部分人不但安于自己的无知
02:24
but hostile to anyone who points it out.
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而且对任何指出他们无知的人充满敌意
02:28
In fact, the real life Socrates was sentenced to death
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苏格拉底就是这样的哲学家 他最终被雅典政府处以死刑
罪名是扰乱社会秩序
02:32
by the Athenian government for disrupting the social order,
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02:35
and his student Plato spends much of "The Republic"
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他的学生柏拉图 在《理想国》中花了很大篇幅
02:38
disparaging Athenian democracy,
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批判当时的雅典民主
02:40
while promoting rule by philosopher kings.
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并提倡由哲学家称王,并统治国家
02:44
With the cave parable,
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柏拉图也许要借助洞穴寓言
02:45
Plato may be arguing that the masses are too stubborn and ignorant
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指出一般大众太过顽固无知
02:50
to govern themselves.
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无法管理自己
02:52
But the allegory has captured imaginations for 2,400 years
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两千四百年来 这个寓言不断启发人们的想象
02:56
because it can be read in far more ways.
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人们用很多方式来解读它
02:59
Importantly, the allegory is connected to the theory of forms,
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值得一提的是, 这个寓言牵涉到形式理论
03:03
developed in Plato's other dialogues,
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这在柏拉图的其他对话录中有所阐述
03:05
which holds that like the shadows on the wall,
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形式理论认为 如同投在石墙上的影子一样
03:07
things in the physical world are flawed reflections of ideal forms,
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现实世界的事物是对理想形式
03:12
such as roundness, or beauty.
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例如圆、美的不完美映射
03:16
In this way, the cave leads to many fundamental questions,
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这样一来 洞穴寓言就引出了很多哲学基本问题
03:19
including the origin of knowledge,
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例如知识的起源
03:21
the problem of representation,
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再现的问题
03:23
and the nature of reality itself.
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以及现实的本质
03:27
For theologians, the ideal forms exist in the mind of a creator.
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对神学家来说 完美形式存在于造物主的意念中
03:31
For philosophers of language viewing the forms as linguistic concepts,
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语言哲学家则把形式视作语言概念
03:36
the theory illustrates the problem of grouping concrete things
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他们把具体事物分类
03:39
under abstract terms.
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并归于不同的抽象语汇之下
03:41
And others still wonder whether we can really know
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另外,也有人仍在质疑
03:44
that the things outside the cave are any more real than the shadows.
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洞外的事物是否真的比洞内的影子更真实
03:49
As we go about our lives,
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就比如我们的人生
03:50
can we be confident in what we think we know?
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我们真的知道自认为已经知道的事情吗
03:53
Perhaps one day,
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也许有一天
03:54
a glimmer of light may punch a hole in your most basic assumptions.
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一束亮光在你最基本的假定上打出一个小孔
03:58
Will you break free to struggle towards the light,
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你是否会挣脱着走向光明
04:01
even if it costs you your friends and family,
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即使那意味着失去朋友和家人
04:03
or stick with comfortable and familiar illusions?
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还是会固守在舒适熟悉的幻象之中
04:07
Truth or habit? Light or shadow?
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追求真理还是固守习惯, 选择光明还是抱持幻影
04:10
Hard choices, but if it's any consolation, you're not alone.
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两难的选择,但不要担心 不只你一人有这样的感觉
04:14
There are lots of us down here.
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我们很多人都是这样
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