Free the child's potential, and you will transform him into the world.

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

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.

Real learning comes about when the competitive spirit has ceased.

Courage, conviction and confidence.

Patience is a virtue, and I'm learning patience. It's a tough lesson.

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

The man who does not read good books has no advantage over the man who can't read them.

Science is not only a disciple of reason but, also, one of romance and passion.

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

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

What is now proved was once only imagined.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

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

Science is what we have learned about how to keep from fooling ourselves.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

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.

A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.

Common sense is the collection of prejudices acquired by age eighteen.

It is possible to fly without motors, but not without knowledge and skill.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.