The journey of solving a mathematical problem is as important as the solution itself, for it teaches us patience, persistence, and the joy of discovery.

No matter how good you get you can always get better, and that's the exciting part.

理解变化的唯一方式就是投身其中，随之而动，加入这场舞蹈。

水源会枯竭 但心永不干涸

激情的持续时间与女人最初的抗拒成正比。

International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

要理解一个生命，必须先理解它所处的时代。