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"The truth is rarely pure and never simple."

To be is to be perceived.

數學證明的優雅在于它的簡潔和清晰。

【大意】只有不求利益之人才能不導致害處，只有不求福分之人才能沒有禍患。

A man, as a general rule, owes very little to what he is born with – a man is what he makes of himself.

每次我寫一本書，每次我面對那張空白頁，我都確信我做不到。