所以君子严于律己.宽以待人,而平庸的人却宽以待己.严于律人。

物理学的未来取决于我们操纵比当前能测量的更快过程的能力。

The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory. They are forgotten. And the living, too, will be forgotten.

To understand is to know what causes what.