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

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

The direction in which education starts a man will determine his future in life

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

I cannot live without books.

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

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

The deepest sin against the human mind is to believe things without evidence.

It took us three years to build the NeXT computer. If we'd given customers what they said they wanted, we'd have built a computer they'd have been happy with a year after we spoke to them - not something they'd want now.

Education is a system of imposed ignorance.

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

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

When you know better you do better.

Evil being the root of mystery, pain is the root of knowledge.

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

Dare to think for yourself.

Learning never exhausts the mind.

Books are as useful to a stupid person as a mirror is useful to a blind person.

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

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

I do not know how to teach philosophy without becoming a disturber of the peace.