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

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

Patience is a virtue, and I'm learning patience. It's a tough lesson.

What is now proved was once only imagined.

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

The fullness of knowledge only comes through the awareness of ignorance.

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

You can never be overdressed or overeducated.

The task of a writer is not to solve the problem but to state the problem correctly.

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

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

The knowledge of all things is possible

Know what you are talking about.

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

Industrialize or perish.

Many much-learned men have no intelligence.

In mathematics you don't understand things. You just get used to them.

Real learning comes about when the competitive spirit has ceased.

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

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

There is no authority who decides what is a good idea.