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.

你不是在建立企业，而是在培养人才，然后人才会建立企业。

Don't watch the clock; do what it does. Keep going.

数学不是关于数字、方程、计算或算法的：它是关于理解的。

做出伟大工作的唯一途径是热爱你所做的事。

Collaboration across disciplines is where the most exciting breakthroughs happen.