The only way to learn mathematics is to do mathematics.

世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。

A story is a way to say something that can't be said any other way.

We are all stories in the end, just make it a good one.

书籍是飞机，是火车，是道路。它们是目的地，也是旅程。它们是家。

"Parental investment is the key to understanding the origins of sex differences."

我不是一个放弃自己力量的人。

唯一无法被帮助的人是那些责备他人的人。