The knowledge of all things is possible

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

Know what you are talking about.

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

Most people have never learned that one of the main aims in life is to enjoy it.

Free the child's potential, and you will transform him into the world.

Industrialize or perish.

I cannot live without books.

Books are for people who wish they were somewhere else.

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

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

It is what you read when you don't have to that determines what you will be when you can't help it.

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

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

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

You can never be overdressed or overeducated.

Science is a way of thinking much more than it is a body of knowledge.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

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

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

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