The physicist must have a kind of faith that the book of nature is written in a language which he can learn to read.
物理学家必须有一种信念,即自然之书是用一种他可以学会阅读的语言写成的。
Never invest in any idea you can't illustrate with a crayon.
一辈子不要做对不起人的事,世上就不会有恨自己的人。