If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

The knowledge of all things is possible

Science is a way of thinking much more than it is a body of knowledge.

All stable processes we shall predict. All unstable processes we shall control.

It is what you read when you don't have to that determines what you will be when you can't help it.

If you can't explain it simply, you don't understand it well enough.

I am indebted to my father for living, but to my teacher for living well.

Don't worry that children never listen to you; worry that they are always watching you.

I think that kids have a greater capacity for processing things than we give them credit for.

There is no authority who decides what is a good idea.

Many much-learned men have no intelligence.

Books are as useful to a stupid person as a mirror is useful to a blind person.

If you want the present to be different from the past, study the past.

Education is an ornament for the prosperous, a refuge for the unfortunate.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

A thought is an idea in transit.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.

Never help a child with a task at which he feels he can succeed.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

Most people have never learned that one of the main aims in life is to enjoy it.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.