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

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

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

The reading of all good books is like conversation with the finest men of past centuries.

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

An investment in knowledge pays the best interest.

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

Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.

We could never learn to be brave and patient, if there were only joy in the world

Science is what we have learned about how to keep from fooling ourselves.

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

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

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

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

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

The progressive development of man is vitally dependent on invention.

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

It is beyond a doubt that all our knowledge begins with experience.

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

The schools ain't what they used to be and never was.

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