A substance showing resonance between two or more valence-bond structures does not contain molecules with the configurations and properties usually associated with these structures.

The only sane policy for the world is that of abolishing war.

Everyone should know that the "war on cancer" is largely a fraud, and that the National Cancer Institute and American Cancer Society are derelict in their duties to the people who support them.

If you want to have good ideas you must have many ideas. Most of them will be wrong, and what you have to learn is which ones to throw away.

I have always wanted to know as much as possible about the world.

Only when I began studying chemical engineering at Oregon Agricultural College did I realize that I myself might discover something new about the nature of the world.

What astonished me was the very low toxicity of a substance that has such very great physiological power. A little pinch, 5 mg, every day, is enough to keep a person from dying of pellagra, but it is so lacking in toxicity that ten thousand times as much can be taken without harm.

I have something that I call my Golden Rule. It goes something like this: "Do unto others twenty-five percent better than you expect them to do unto you." … The twenty-five percent is for error.