That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

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

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

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Industrialize or perish.

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

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

The most savage controversies are those about matters as to which there is no good evidence either way.

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

Opinion is the medium between knowledge and ignorance.

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

You can never be overdressed or overeducated.

The real solution lies in a world in which charity will have become unnecessary.

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

The direction in which education starts a man will determine his future in life

Intelligence plus character-that is the goal of true education.

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

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

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

What is now proved was once only imagined.