“记忆是脆弱的东西，容易被时间和情感扭曲。”

宁可做一个不满足的人，也不愿做一个满足的猪；宁可做苏格拉底不满足，也不愿做一个愚蠢的满足者。

The most effective development interventions are often the simplest ones.

时间存在的唯一理由是让一切不会同时发生。

数学的本质在于它的自由。

The ground floor is where the city and the building meet - it's the most important level.