创新是石油工业的支柱；没有创新，我们就会停滞不前。

爱是一种冒险，但值得一试。

Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.

对富有的单身汉应该客以重税。让某些人比其他人更快乐是不公平的。

Complexity is not just about the number of components in a system, but about the nature of their interactions.

不要担心你在数学上遇到的困难；我敢保证我遇到的困难比你还大得多。