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 schools ain't what they used to be and never was.

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

Courage, conviction and confidence.

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

The most savage controversies are those about matters as to which there is no good evidence either way.

It is beyond a doubt that all our knowledge begins with experience.

A witty saying proves nothing.

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

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

I learned very early the difference between knowing the name of something and knowing something.

Books are as useful to a stupid person as a mirror is useful to a blind person.

The reading of all good books is like conversation with the finest men of past centuries.

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.

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

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

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

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

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

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

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