To define is to limit.

The most dangerous lies are the ones we believe about ourselves.

The clouds over the land now rose like mountains, and the coast was only a long green line with the gray blue hills behind it. The water was a dark blue now, so dark that it was almost purple.

I don't believe in waiting for inspiration. I believe in working.

我离开船不能超过一天，因为我是船上唯一能导航的人。

Scientific progress must be guided by a moral compass.

切勿对已经敞开心胸的人闭上双唇。