压力是一种特权，它意味着你有机会成就伟大的事情。

I’ve played with a broken hand, a sprained ankle, a torn shoulder, a fractured tooth, a severed lip, and a knee the size of a softball. I don’t miss games because of a toe injury that everybody knows wasn’t that serious in the first place.

历史不仅仅是发生了什么，而是可能发生了什么。

The most dangerous thing for an artist is not failure, but success.

PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。