The first idea the child must acquire is that of the difference between good and evil.

The progressive development of man is vitally dependent on invention.

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

Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.

To every action there is always an equal and opposite or contrary, reaction

Knowledge becomes evil if the aim be not virtuous.

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

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

I decided to teach because I think that any person who studies philosophy has to be involved actively.

You can never be overdressed or overeducated.

Books are for people who wish they were somewhere else.

Education is the most powerful weapon which you can use to change the world.

Reading is to the mind what exercise is to the body.

Don't learn to do, but learn in doing.

I have no special talents. I am only passionately curious.

A cynic is a man who knows the price of everything, and the value of nothing.

Investigate, educate and organize.

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

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

Men are born ignorant, not stupid. They are made stupid by education.

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