If you're teaching today what you were teaching five years ago, either the field is dead or you are.

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

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

Imagination is more important than knowledge.

A thought is an idea in transit.

The secret of life is not enjoyment but education through experience.

A little knowledge is a dangerous thing. So is a lot.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

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

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

Dare to think for yourself.

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

It is better to know how to learn than to know.

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

Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.

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

Better know nothing than half-know many things.

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

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

Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.