可持续性不仅仅是植树；而是在正确的地方种植正确的树木，并确保它们世代繁茂。
The only thing to do with good advice is to pass it on. It is never of any use to oneself.
你不能像站在水滑梯顶端的孩子那样想太多，你必须滑下去。
To do mathematics is to explore an infinite landscape of ideas.
我不是那种会让对努力的热爱减少的人。