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

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

Know what you are talking about.

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

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

I decided to teach because I think that any person who studies philosophy has to be involved actively.

What sculpture is to a block of marble, education is to a human soul.

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

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

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

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

My weapon is literature

Educate the children and it won't be necessary to punish the men.

The highest result of education is tolerance.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

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

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

Evil being the root of mystery, pain is the root of knowledge.

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

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

Real learning comes about when the competitive spirit has ceased.