你必须投入时间，因为总有你可以改进的地方。

If you don't like something, change it. If you can't change it, change your attitude.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

我一直在努力突破自我。

I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish.

Every building is a prototype. No two are alike.