"The past is always tense, the future perfect."

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

成功是一段旅程，而不是终点。过程往往比结果更重要。

勇气不是没有恐惧，而是战胜恐惧。

我跪地恳求你

爱的最伟大证明是牺牲。

The universe is full of magical things patiently waiting for our wits to grow sharper.

一个奇怪的事实是，根据从生物学或地球物理学的角度出发，对地球史前条件会得出完全相反的结论，这反映了我们目前知识的不完整状态。