It is easier to denature plutonium than to denature the evil spirit of man.

Many of the things you can count, don't count. Many of the things you can't count, really count.

I'm no more intelligent than the next guy. I'm just more curious.

To a student: Dear Miss - I have read about sixteen pages of your manuscript . . . I suffered exactly the same treatment at the hands of my teachers who disliked me for my independence and passed over me when they wanted assistants. . . . Keep your manuscript for your sons and daughters, in order that they may derive consolation from it and not give a damn for what their teachers tell them or think of them. . . . There is too much education altogether.

I have no extraordinary ability. I'm simply an inquisitive individual.

The individual must not merely wait and criticize, he must defend the cause the best he can. The fate of the world will be such as the world deserves.

Even trivial events demonstrate strong devotion to the Universe and small concern for ego.