爱不是一种感觉，史蒂文斯先生。爱是一个决定。

新的领导者是促进者，而不是命令者。

CRISPR打开了我们甚至不知道存在的大门。

好弓难以拉开，然而可以射得高射得深；良马难以驾御，然而可以负重行远。

我拥抱挑战，因为它们让我更强大。

Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.

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

To be a writer is to be a person who is always trying to find the truth.

We usually see only the things we are looking for- so much so that we sometimes see them where they are not.