Industrialize or perish.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

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

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

Real knowledge is to know the extent of one's ignorance.

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.

Necessity is the mother of invention.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

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

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

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

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

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

What is now proved was once only imagined.

Education is a system of imposed ignorance.

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

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

A cynic is a man who knows the price of everything, and the value of nothing.

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

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.

The books that the world calls immoral are books that show the world its own shame.