Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

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.

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

The only good is knowledge and the only evil is ignorance.

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

Know what you are talking about.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

Courage, conviction and confidence.

It is beyond a doubt that all our knowledge begins with experience.

Books are for people who wish they were somewhere else.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

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.

Civilization is a race between disaster and education.

I am indebted to my father for living, but to my teacher for living well.

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

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

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

The real solution lies in a world in which charity will have become unnecessary.

The highest result of education is tolerance.

The task of a writer is not to solve the problem but to state the problem correctly.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.