The reading of all good books is like conversation with the finest men of past centuries.
Education is a system of imposed ignorance.
Know what you are talking about.
The first principle is that you must not fool yourself and you are the easiest person to fool.
Imagination is more important than knowledge.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
I like poems you can tack all over with a hammer and there are no hollow places.
Human behavior flows from three main sources: desire, emotion, and knowledge
Books are as useful to a stupid person as a mirror is useful to a blind person.
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.
I think that kids have a greater capacity for processing things than we give them credit for.
The most savage controversies are those about matters as to which there is no good evidence either way.
Evil being the root of mystery, pain is the root of knowledge.
If there were no bad people, there would be no good lawyers.
Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.
Knowing is not enough; we must apply. Willing is not enough; we must do.
The whole of science is nothing more than a refinement of everyday thinking.
It is what you read when you don't have to that determines what you will be when you can't help it.
Reading is to the mind what exercise is to the body.
The secret of life is not enjoyment but education through experience.
If you want the present to be different from the past, study the past.