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矿工的安全永远不应该用成本效益分析来衡量。
Profit is important, but it should never come at the expense of our principles.
"Manchmal muss man weit reisen, um zu verstehen, was zu Hause passiert."
欲望不是要被理解的东西。它是要被忍受的东西。
时机未到,却着急去做,就是急躁;时机成熟,却还不去做,就是愚蠢。
Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.
改变是不可避免的,但成长是可选的。
充满爱的心是最真实的智慧。