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

When you know better you do better.

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

The progressive development of man is vitally dependent on invention.

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

Educate the children and it won't be necessary to punish the men.

You can never be overdressed or overeducated.

The knowledge of all things is possible

My weapon is literature

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

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

A witty saying proves nothing.

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

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

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

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

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

Don't learn to do, but learn in doing.

A child educated only at school is an uneducated child.

A child miseducated is a child lost.