Three things are necessary for the salvation of man: to know what he ought to believe； to know what he ought to desire； and to know what he ought to do.
"Men and women differ in their desires for short-term mating because the reproductive benefits and costs differed for our ancestors."
The arithmetic of modular forms is a key to understanding the deeper structures of number theory.
Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.
我们都在寻找某些东西，但我们并不总是知道它是什么。