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釋義：財富和地位并沒有固定的來源，都是通過勤奮努力得來的。

想要懂得今天，就必須研究昨天。

I always try to find a way to win, even when I'm not playing my best.

The natural and moral world is the two-fold object of man's rational care.

寫作是一種思考的方式，一種理解世界的方式。

The world is a mystery, and we are all detectives.

Factoring large numbers is believed to be hard for classical computers, but quantum computers can do it efficiently.