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.

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.

The progressive development of man is vitally dependent on invention.

The ability to observe without evaluating is the highest form of intelligence.

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

Better know nothing than half-know many things.

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

I cannot live without books.

To every action there is always an equal and opposite or contrary, reaction

My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.

Opinion is the medium between knowledge and ignorance.

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

A witty saying proves nothing.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

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

All stable processes we shall predict. All unstable processes we shall control.

We could never learn to be brave and patient, if there were only joy in the world

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

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

I am a part of everything that I have read.