The only true wisdom is in knowing you know nothing.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.

It is what you read when you don't have to that determines what you will be when you can't help it.

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

Industrialize or perish.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

Reading without reflecting is like eating without digesting.

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

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

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

Imagination is more important than knowledge.

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

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

A child miseducated is a child lost.

I cannot live without books.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

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.

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

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

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.