The conjectures of the Langlands program are not merely problems to be solved but a vision of how mathematics should be.

过去总是紧张的，未来是完美的。

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.

阳台或者门廊应该至少有两米深，不然就用不上。

"In war, the first casualty is truth."