Fearless is not the absence of fear. It’s not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

The art of algorithm design is not just in solving problems, but in discovering new ways to think about them.

Poetry is the language in which man explores his own amazement.

概率论是我们处理不确定性的唯一工具。

一次又一次地后悔到终身,还不如不做后悔之事而无后顾之忧。

夜晚是一首伟大的诗，但星星是它的文字。