Patience is a virtue, and I'm learning patience. It's a tough lesson.

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

The great difficulty in education is to get experience out of ideas.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

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

Education is a system of imposed ignorance.

Dare to think for yourself.

It is possible to fly without motors, but not without knowledge and skill.

One test of the correctness of educational procedure is the happiness of the child.

The whole of science is nothing more than a refinement of everyday thinking.

It took us three years to build the NeXT computer. If we'd given customers what they said they wanted, we'd have built a computer they'd have been happy with a year after we spoke to them - not something they'd want now.

The fullness of knowledge only comes through the awareness of ignorance.

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

Reading without reflecting is like eating without digesting.

Imagination is more important than knowledge.

No power and no treasure can outweigh the extension of our knowledge.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

Those who fail to learn the lessons of history are doomed to repeat them.

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