A writer must be stubborn, must have a vocation of sacrifice, and must accept that literature is a very cruel mistress.

The future of forestry lies in balancing economic needs with ecological responsibility.

He who refuses to do arithmetic is doomed to talk nonsense.

我们都是我们记忆的总和。

建筑师必须是一位老师。

一只眼睛不如两只眼睛看得明白，一只耳朵不如两只耳朵听得清楚。