Surround yourself with people who challenge and inspire you.

The PAC learning framework provides a formal way to quantify the learnability of a concept class.

应对混乱的唯一方法是拥抱它。

数学的本质在于它的自由。

Lolita， light of my life， fire of my loins. My sins， my soul. Lo Lee TA.

The intoxication of anger, like that of the grape, shows us to others, but hides us from ourselves.