理论物理学的美丽在于它能够用几个简单的方程描述宇宙，揭示出表面复杂性之下的基础简单性。

The idea that we will make a society where literally everybody is graded, the good at the top, bad at the bottom, exactly done as it should be, is impossible. There are simply too many random factors: accidents, accidents of birth, accidents of things dropping on people's heads, illnesses, etc. We will never get to grade them, never get to grade people as they should.

不要害怕放弃好的东西去追求伟大的东西。

Patience and persistence are the unsung heroes of scientific discovery.

古代著书立说的人，都有卓越的见解而自成一家，后世无法轻易改变。

Quality is not a myth; it is a fact.

对认可的渴望，灵魂中的激情部分，是人性中最具政治危险性的部分。

"The characters in my books are often people who are struggling to find their place in the world."