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.

The deepest sin against the human mind is to believe things without evidence.

Don't worry that children never listen to you; worry that they are always watching you.

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.

You can never be overdressed or overeducated.

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

Imagination is more important than knowledge.

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

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

Knowing others is wisdom, knowing yourself is Enlightenment.

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

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

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.

Don't learn to do, but learn in doing.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

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.

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

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

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

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.