Knowing is not enough; we must apply. Willing is not enough; we must do.

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

A child educated only at school is an uneducated child.

Just because I don't care doesn't mean I don't understand.

The first principle is that you must not fool yourself and you are the easiest person to fool.

A child miseducated is a child lost.

I have no special talents. I am only passionately curious.

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

Education is an ornament for the prosperous, a refuge for the unfortunate.

Free the child's potential, and you will transform him into the world.

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

A little knowledge is a dangerous thing. So is a lot.

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

Science is a way of thinking much more than it is a body of knowledge.

Know what you are talking about.

The most savage controversies are those about matters as to which there is no good evidence either way.

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.

Books are for people who wish they were somewhere else.

The highest result of education is tolerance.

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

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.