Knowing is not enough; we must apply. Willing is not enough; we must do.

A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

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

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

The first principle is that you must not fool yourself and you are the easiest person to fool.

You can never be overdressed or overeducated.

The secret of life is not enjoyment but education through experience.

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

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

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

Real learning comes about when the competitive spirit has ceased.

Learning never exhausts the mind.

Study without desire spoils the memory, and it retains nothing that it takes in.

The progressive development of man is vitally dependent on invention.

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

The only true wisdom is in knowing you know nothing.

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

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

Any sufficiently advanced technology is indistinguishable from magic.

A witty saying proves nothing.