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我不是那種會讓對忠誠的熱愛減少的人。

Pain is not always transformative; sometimes it just hurts.

在采礦業，真正的競爭往往是對抗市場的短期思維。

譯文：我衰老得太厲害了!感慨平生交游的朋友漸漸零落，如今還剩下幾個?白發空自垂下三千丈，對人間萬事只能付之一笑。試問什么事物能讓我真正歡喜?

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

If you don't make mistakes, you're not trying hard enough.

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.