God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

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

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

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

Know what you are talking about.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

A witty saying proves nothing.

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

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

Education is the kindling of a flame, not the filling of a vessel.

Many much-learned men have no intelligence.

Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.

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.

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

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

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

The direction in which education starts a man will determine his future in life

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

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

What we know is a drop, what we don't know is an ocean.