Legal rules are not commands but rather standards of conduct.

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.

"Pressure is a privilege—it means you're in a position to achieve something great."

世界击倒每一个人，之后，许多人在心碎之处变得坚强。

我不害怕失败，我害怕不去尝试。