Imagination is more important than knowledge.

The whole of science is nothing more than a refinement of everyday thinking.

My weapon is literature

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

Make it a rule never to give a child a book you would not read yourself.

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

Patience is a virtue, and I'm learning patience. It's a tough lesson.

It is beyond a doubt that all our knowledge begins with experience.

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

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.

A cynic is a man who knows the price of everything, and the value of nothing.

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

You can never be overdressed or overeducated.

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

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

A child educated only at school is an uneducated child.

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

I cannot teach anybody anything. I can only make them think

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

I learned very early the difference between knowing the name of something and knowing something.

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.