The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

I like criticism. It makes you strong.

Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.

遗忘就是背叛，铭记就是抵抗。

Blessed is the influence of one true, loving human soul on another.