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.
每本书都是通往另一个世界的门,等待着好奇的心灵去开启。
Believe in yourself even when no one else does.
A story is a way of preserving memory.
I think the most important thing in life is to be happy.