Always demand a deadline. A deadline weeds out the extraneous and the ordinary. It prevents you from trying to make it perfect， so you have to make it different. Different is better.

The ultimate tragedy is not the oppression and cruelty by the bad people but the silence over that by the good people.

真正的问题不是机器是否会思考，而是人是否会思考。

生活在别处。