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.

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

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

The ability to observe without evaluating is the highest form of intelligence.

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

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

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

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

Seek knowledge from the cradle to the grave.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

Education is a system of imposed ignorance.

A child educated only at school is an uneducated child.

I do not know how to teach philosophy without becoming a disturber of the peace.

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

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

If I have seen further it is by standing on the shoulders of Giants.

Know what you are talking about.

I like poems you can tack all over with a hammer and there are no hollow places.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

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