To do mathematics is to explore a universe of ideas, where the only limit is your imagination.

译文：做事情一定要切实认真，不要有浮躁之气，做人一定不能贪图没有实际用处的名声。赏析：做事要静心耐得住寂寞，方能成功，做人不要在乎虚名，虚名只会让我们迷失方向。

I try to make films that I would want to see.

持续的小改进会带来巨大的长期变化。