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.

我还不够年轻，无法知道一切。

创新发生在不同观点和经验的交汇处。

We are not selling water, we are selling health and quality of life.

真正的危险不是计算机开始像人一样思考，而是人开始像计算机一样思考。

所以，即使做很困难的事情，也一定能够达到目的，没听说过想达到自己的愿望，而能回避困难的。