[When questioned on his longevity] First of all, I selected my ancestors very wisely. ... They were long-lived, healthy people. Then, as a chemist, I….

[I shall not] discuss scientific method, but rather the methods of scientists. We proceed by common sense and ingenuity. There are no rules, only the….

As yet, if a man has no feeling for art he is considered narrow-minded, but if he has no feeling for science this is considered quite normal. This is….

There's nothing wrong with being an agitator..

Don't talk yourself into not being you..

An unshared happiness is not happiness..

It was eerie. I saw myself in that machine. I never thought my work would come to this. Upon seeing a distorted image of his face, reflected on the i….

You wouldn't know how to perform a sketch that you don't find funny. You just couldn't do it..

To overturn orthodoxy is no easier in science than in philosophy, religion, economics, or any of the other disciplines through which we try to compre….

In fact, we will have to give up taking things for granted, even the apparently simple things. We have to learn to understand nature and not merely t….

The best person able to appraise promise as a mathematician is a gifted teacher, and not a professional tester..

To me, science is an expression of the human spirit, which reaches every sphere of human culture. It gives an aim and meaning to existence as well as….

Only the autodidacts are free..

The purpose of anthropology is to make the world safe for human differences..

Men will not be content to manufacture life: they will want to improve on it..

Attempt the end and never stand to doubt; Nothing's so hard, but search will find it out..

We know very little, and yet it is astonishing that we know so much, and still more astonishing that so little knowledge can give us so much power..

Most new insights come only after a superabundant accumulation of facts have removed the blindness which prevented us from seeing what later comes to….

Two things awe me most, the starry sky above me and the moral law within me..

Two lines must meet at a point. Therefore there are only two surprises here..

The invention of IQ did a great disservice to creativity in education. ... Individuality, personality, originality, are too precious to be meddled wi….