实现不可能的唯一方法就是相信它是可能的。

The reality is: sometimes you lose. And you’re never too good to lose. You’re never too big to lose. You’re never too smart to lose. It happens.

Management brings benefits, details determine success or failure.

Theorems are the permanent literature of mathematics.

艺术是自由的女儿。

路途再近，你不走，也不会到达。事情再小，不去做也不可能完成。