可持续性已不再是一种选择，而是我们对后代的责任。

写作是一种信仰的行为。

The only way to do something great is to love what you do.

释义：做事如果不彻底解决问题，可能会留下隐患，导致自己遭受伤害。

The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.

每个故事都是谎言，但有些谎言比其他谎言更真实。

I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.