Thoughts are the shadows of our feelings always darker， emptier， simpler.

The Moving Finger writes; and, having writ, Moves on: nor all thy Piety nor Wit Shall lure it back to cancel half a Line, Nor all thy Tears wash out a Word of it.

A book is a version of the world. If you do not like it, ignore it; or offer your own version in return.

The true measure of a company's success is how it treats its people and the environment.

经济学家最重要的技能是清晰地思考权衡取舍。

我是野兽，我是怪物，我是杀手，我是国王。

深度学习是一种让计算机从经验中学习的方法。

数学的力量在于它简化复杂事物的能力。