It isn't what we don't know that gives us trouble, it's what we know that ain't so.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.

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

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

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

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

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

Industrialize or perish.

Science is not only a disciple of reason but, also, one of romance and passion.

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

Books are as useful to a stupid person as a mirror is useful to a blind person.

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

My weapon is literature

A thought is an idea in transit.

The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.

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

The most important part of teaching is to teach what it is to know.

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.

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

I cannot live without books.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.