As we acquire more knowledge, things do not become more comprehensible but more mysterious.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

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

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.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

Just because I don't care doesn't mean I don't understand.

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

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

Education is an ornament for the prosperous, a refuge for the unfortunate.

Don't worry that children never listen to you; worry that they are always watching you.

If you want the present to be different from the past, study the past.

The progressive development of man is vitally dependent on invention.

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

Civilization is a race between disaster and education.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

What is freedom of expression? Without the freedom to offend, it ceases to exist.

Necessity is the mother of invention.

When you know better you do better.

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

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

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.