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

The only good is knowledge and the only evil is ignorance.

Real learning comes about when the competitive spirit has ceased.

We could never learn to be brave and patient, if there were only joy in the world

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

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.

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

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

The highest result of education is tolerance.

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

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

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.

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

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

Necessity is the mother of invention.

If there were no bad people, there would be no good lawyers.

The ability to observe without evaluating is the highest form of intelligence.

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

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

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

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