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The truth is, I don't know what I would have done without mathematics.

Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.

The first duty of a man is to think for himself.

"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

我不聽別人說什么。我只是上場表現(xiàn)。