科学的进步是我们逐渐意识到自己无知的过程。
I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.
过去从未死去,它甚至还没有过去。
宇宙不仅比我们想象的更奇怪,它比我们能够想象的还要奇怪。
You can't change what you are, only what you do.