I always try to be grateful for every opportunity.

A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.

The single easiest way to find out how you feel about someone. Say goodbye.

永远不要低估一个简单想法的力量。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

你为某事付出的努力越多，当你实现它时感觉就越好。

写作的艺术就是发现你所相信的艺术。