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

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

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

The schools ain't what they used to be and never was.

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

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

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

The books that the world calls immoral are books that show the world its own shame.

I think that kids have a greater capacity for processing things than we give them credit for.

The only true wisdom is in knowing you know nothing.

Real knowledge is to know the extent of one's ignorance.

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

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

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.

Reading is to the mind what exercise is to the body.

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

The more I read, the more I acquire, the more certain I am that I know nothing.

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

Those who fail to learn the lessons of history are doomed to repeat them.

Any sufficiently advanced technology is indistinguishable from magic.