A man doesn't know what he knows until he knows what he doesn't know.
一个人不知道自己知道什么，直到他知道自己不知道什么。
-- Laurence J. Peter 劳伦斯·彼得
A man doesn't know what he knows until he knows what he doesn't know.
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A man doesn't know what he knows until he knows what he doesn't know.
一个人不知道自己知道什么，直到他知道自己不知道什么。
-- Laurence J. Peter 劳伦斯·彼得
