我们在对自然法则的认识上越深入，就越能在以前只看到复杂和不和谐的地方发现简单与和谐。

正因为我是你妈妈说话才最算数，因为我最了解你。

You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.

数学的本质在于它的自由。