If you want the present to be different from the past, study the past.

The books that the world calls immoral are books that show the world its own shame.

A child miseducated is a child lost.

Opinion is the medium between knowledge and ignorance.

Education is the most powerful weapon which you can use to change the world.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

A thought is an idea in transit.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

When you know better you do better.

Real learning comes about when the competitive spirit has ceased.

Evil being the root of mystery, pain is the root of knowledge.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

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

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.

Better know nothing than half-know many things.

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

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

The secret of life is not enjoyment but education through experience.

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

Most people have never learned that one of the main aims in life is to enjoy it.

Learning never exhausts the mind.