Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

每个人都会有一次迷失自我。重要的是如何从中恢复。

理解消费者行为背后的心理学可以为营销和产品开发解锁强大的策略。

悠闲自得，是出于专心勤奋；淡泊安适，是出于恭敬畏惧；无思无虑，是出于善于思考；胆大无畏，是出于小心翼翼。

History teaches us that in 100 years from now some of the assumptions you believed will turn out to be wrong. A good question to ask yourself today is “What might I be wrong about？”