The only relationship that can make both partners happy is one in which sentimentality has no place and neither partner makes any claim on the life and freedom of the other.

I am among those who think that science has great beauty.

Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.

Every failed experiment teaches you something valuable—don’t fear mistakes.

嫉妒的精神可以摧毁；它永远无法建设。

我们写作是为了记住，但也是为了忘记。