The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.

要理解一个人，你必须首先理解他们的痛苦。

Stay humble, stay hungry, and never stop learning.

创新不仅仅是创造新事物；它关乎改进已有的事物。