死亡的念头会把我们推向对我们而言最重要的事情，这种念头会赋予我们勇气，促使我们追求内心所重视的生活方式。《机场里的小旅行》

Doing the best at this moment puts in the best place for the next moment.

最勇敢的行为仍然是为自己思考，而且是大声说出来。

I always tell my kids if you lay down, people will step over you. But if you keep scrambling, if you keep going, someone will always, always help you.

数学的历史是人类心灵独创性和创造力的证明。