I decided to teach because I think that any person who studies philosophy has to be involved actively.

In mathematics you don't understand things. You just get used to them.

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

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

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

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

The fullness of knowledge only comes through the awareness of ignorance.

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

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

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

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.

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

Seek knowledge from the cradle to the grave.

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

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

Human behavior flows from three main sources: desire, emotion, and knowledge

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

The highest result of education is tolerance.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

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

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.