“Opposites are not contradictory but complementary.”

If an idea does not appear bizarre, there is no hope for it.

How wonderful that we have met with a paradox. Now we have some hope of making progress.

Address to Albert Einstein: You are not thinking. You are merely being logical.

When it comes to atoms, language can be used only as in poetry.

There are some things so serious you have to laugh at them.

One must always do what one really cannot.

There is no hope for any speculation that does not look absurd at first glance.

The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.

If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.

If we couldn’t laugh at ourselves, that would be the end of everything.

An expert is a man who has made all the mistakes which can be made, in a narrow field.

Physics is the belief that a simple and consistent description of nature is possible.

Some subjects are so serious that one can only joke about them.

Sometimes the child in one behaves a certain way and the rest of oneself follows behind, slowly shaking its head.

It is, indeed, perhaps the greatest prospect of humanistic studies to contribute through an increasing knowledge of the history of cultural development to that gradual removal of prejudices which is the common aim of all science.

We all know your idea is crazy. The question is whether it is crazy enough.

Travel enables us to enrich our lives with new experiences, to enjoy and to be educated, to learn respect for foreign cultures, to establish friendships, and above all to contribute to international cooperation and peace throughout the world.

People think of education as something that they can finish.

Good manners will open doors that the best education cannot.

When you look at where the real problems are among minorities in our society, particularly blacks, it’s at the bottom. It’s the people who are in school systems that don’t educate, neighborhoods where there is a lot of crime, drugs, the whole bit.

My grandfather could barely read. My grandmother had a sixth-grade education. They were people who were industrious. They were frugal.

Self-education is, I firmly believe, the only kind of education there is. The only function of a school is to make self-education easier; failing that, it does nothing.

Separate educational facilities are inherently unequal.

It really bugs me that someone will tell me, after I spent 20 years being educated, how I’m supposed to think.