生命的纪律是秩序；智力的纪律是专注；行为的纪律是顺从。

The art of competing, I’d learned from track, was the art of forgetting, and I now reminded myself of that fact. You must forget your limits. You must forget your doubts, your pain, your past.

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。

Scientific breakthroughs often come from unexpected discoveries—stay curious.