言语总是列举商汤与周文王，而行为却比作狗与猪，可悲啊！ 

Theorems are eternal; their proofs are ephemeral.

In the exploration of science, we must not only ask why but also why not.

有机化学现在足以让人发疯。它给我一种原始热带森林的印象，充满了最非凡的事物，一个可怕的、无尽的丛林，人们不敢进入，因为似乎没有出路。

我通过对真理的热爱，从确定性的安全舒适中挣脱出来；而真理也回报了我。

思想的多样性带来更好的决策和更创新的解决方案。

The ability to be alone is the ability to love. It may look paradoxical to you, but it’s not. It is an existential truth: only those who can be alone are capable of love, of sharing, of going into the deepest core of another human being—without possessing the other, without becoming dependent on the other, without reducing the other to a thing, and without becoming addicted to the other.

"Books are the way that we communicate with the dead. The way that we learn lessons from those who are no longer with us, that humanity has built on itself, progressed, made knowledge incremental rather than something that has to be relearned, over and over."