We are all waiting for something to save us from ourselves.

Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.

The interplay between theory and observation is what advances astrophysics.

数学是为数学家而写的。

I like the idea of taking something that is familiar and doing something unexpected with it.

你不是管理人；你是管理事物。你领导人们。

言语是我唯一的家园。

The city is a great artifact, the supreme work of human civilization.