Infinite responsibility is a pathological condition.
You have to be willing to fail, to be wrong, to look stupid.
If one hears bad music it is one's duty to drown it by one's conversation.
数学中最深刻的思想往往源于最简单的观察。
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.
At the end of the day it's not about what you have or even what you've accomplished... it's about who you've lifted up, who you've made better. It's about what you've given back.
In mathematics, the art of proposing a question must be held of higher value than solving it.