A child miseducated is a child lost.

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

I cannot live without books.

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

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

The first principle is that you must not fool yourself and you are the easiest person to fool.

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

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

Courage, conviction and confidence.

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

You can never be overdressed or overeducated.

Human behavior flows from three main sources: desire, emotion, and knowledge

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

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

You can never learn less, you can only learn more.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

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

Educate the children and it won't be necessary to punish the men.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

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

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