Do not be so open-minded that your brains fall out.

There are two ways to get enough. One is to continue to accumulate more and more. The other is to desire less.

The object of opening the mind, as of opening the mouth, is to shut it again on something solid.

Among the rich you will never find a really generous man even by accident. They may give their money away, but they will never give themselves away; they are egotistic, secretive, dry as old bones. To be smart enough to get all that money you must be dull enough to want it.

They said that I should lose my ideals and begin to believe in the methods of practical politicians. Now, I have not lost my ideals in the least; my faith in fundamentals is exactly what it always was. What I have lost is my childlike faith in practical politics.

The modern habit of saying "This is my opinion, but I may be wrong" is entirely irrational. If I say that it may be wrong, I say that is not my opinion. The modern habit of saying "Every man has a different philosophy; this is my philosophy and it suits me" – the habit of saying this is mere weak-mindedness. A cosmic philosophy is not constructed to fit a man; a cosmic philosophy is constructed to fit a cosmos. A man can no more possess a private religion than he can possess a private sun and moon.

Fairy tales do not tell children the dragons exist. Children already know that dragons exist. Fairy tales tell children the dragons can be killed.