Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.

There is nothing more awful, insulting, and depressing than banality.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

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

Civilization is a race between disaster and education.

A witty saying proves nothing.

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

Study without desire spoils the memory, and it retains nothing that it takes in.

If you can't explain it simply, you don't understand it well enough.

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

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

Opinion is the medium between knowledge and ignorance.

Real learning comes about when the competitive spirit has ceased.

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

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

If I have seen further it is by standing on the shoulders of Giants.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

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

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.