The only person you should try to be better than is the person you were yesterday.

The most important single aspect of software development is to be clear about what you are trying to build.

发现的道路很少是一条直线。

旅行改变你。随着你的移动，你的记忆、你的世界观会在你的脑海中碰撞、摩擦、磨砺。你永远无法像出发前那样回家。

在数学中，提出问题的艺术必须比解决问题更有价值。

领导力就是激励人们去做他们从未想过自己能做的事情。