这句话其实是莎士比亚借哈姆雷特之口说的，但是霍金非常喜欢，曾在自己著作中多次引用，所以很多人误以为本句话是霍金说的。

快乐不是一件自我存在的东西，它仅是与其他不快乐事情的一个相对比照，这就是快乐的整个情况。

The most important thing is you must put everybody on notice that you’re here and you are for real. I’m not a player that is just going to come and go. I’m not a player that is going to make an All-Star team one time, two times. I’m here to be an all-time great. Once I made that commitment and said, ‘I want to be one of the greatest ever’, then the game became everything for me.

忘记某事的最好方法是用更好的东西取代它。

There is only one sin, only one. And that is theft. Every other sin is a variation of theft.