睡眠不是奢侈品，而是大脑的必需品。

A company's culture is defined by the worst behavior the leader is willing to tolerate.

挑战在于确保互联网仍然是一股向善的力量，一种赋能的工具，以及一个创新的平台。

The best way to predict the future is to invent it.

Cryptography is about communication in the presence of adversaries.

——在广东和朋友谈自己的主张，1921年

The only one who's really judging you is yourself.

我不关心股票的价格，我关心公司的价值。

Every mental state exists for a purpose; to understand it, we must ask what function it serves in the broader system of behavior.