In the sciences, the authority of thousands of opinions is not worth as much as one tiny spark of reason in an individual man. — Galileo Galilei

The pleasure isn't in being right. It's in the finding out.

Give children logical explanations, not magical ones.

Progress in science comes when experiments contradict theory.

First rule of understanding: Admit you don’t.

Physics has a history of synthesizing many phenomena into a few theories.

It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn't get confined, permanently blocked, as it has so many times before in various periods in the history of man.

If it makes you happy it doesn't have to make sense to others.

Nature's imagination far surpasses our own.

The electron is a theory we use; it is so useful in understanding the way nature works that we can almost call it real.

The thing that doesn't fit is the thing that's the most interesting: the part that doesn't go according to what you expected.

The more you teach, the better you learn. Teaching is a powerful tool for learning.

Don't pay attention to "authorities," think for yourself.

The first principle is that you must not fool yourself and you are the easiest person to fool.

It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

For those who want some proof that physicists are human, the proof is in the idiocy of all the different units which they use for measuring energy.

We never are definitely right, we can only be sure we are wrong.

The highest forms of understanding we can achieve are laughter and human compassion.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

I'd hate to die twice. It's so boring.

If, in some cataclysm, all of scientific knowledge were to be destroyed, and only one sentence passed on to the next generation of creatures, what statement would contain the most information in the fewest words?

Understand. Don't memorize. Learn principles, not formulas.

It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn't get confined, permanently blocked, as it has so many times before in various periods in the history of man.

If you're not having fun asking questions, you're not doing science right.

All mass is interaction.

A great deal more is known than has been proved.

Knowledge grows when you ask stupid questions. Stupidity grows when you don't ask anything.

Have no respect whatsoever for authority; forget who said it and instead look what he starts with, where he ends up, and ask yourself, "Is it reasonable?"

Know how to solve every problem that has been solved.

whatever you decide to do, make sure it makes you happy.