青年的危机不仅仅是关于未来的危机，也是关于当下的危机。

如果我们想保护森林，就必须先了解它们。

Every problem in mathematics is an opportunity to learn something new.

I never think about the past, I always think about the next match.

What ever you do, do it well. Do it so well that when people see you do it they will want to come back and see you do it again and they will want to bring others and show them how well you do what you do.

要创造不同的东西，你必须有不同的想法。