The progressive development of man is vitally dependent on invention.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

It is better to know how to learn than to know.

There is nothing more awful, insulting, and depressing than banality.

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

Education is the kindling of a flame, not the filling of a vessel.

Education is a system of imposed ignorance.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

The only true wisdom is in knowing you know nothing.

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.

The more I read, the more I acquire, the more certain I am that I know nothing.

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

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

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

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

When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.

Investigate, educate and organize.

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

The man who does not read good books has no advantage over the man who can't read them.

Real knowledge is to know the extent of one's ignorance.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.