Dare to think for yourself.

Never help a child with a task at which he feels he can succeed.

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

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

Seek knowledge from the cradle to the grave.

You can never learn less, you can only learn more.

If there were no bad people, there would be no good lawyers.

I like poems you can tack all over with a hammer and there are no hollow places.

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

Reading without reflecting is like eating without digesting.

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

Intelligence plus character-that is the goal of true education.

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.

If you can't explain it simply, you don't understand it well enough.

There is nothing more awful, insulting, and depressing than banality.

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.

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 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.

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

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

Reading is to the mind what exercise is to the body.