I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.

The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.

家不是你住的地方，而是他们理解你的地方。

领导力意味着今天做出艰难的决定，为未来的几代人带来好处。

我不喜欢被定义，因为音乐是无限的。