The key to managing complexity is to focus on the interfaces between components, not their internal details.

The deepest principle in human nature is the craving to be appreciated.

I'm not afraid of dying, I'm afraid of not trying.

我不是那种会让对拼搏的热爱减少的人。

数学不是关于数字、方程、计算或算法的：它是关于理解的。