“I see your point. It irks you to see anyone at all who is able to work permitted to live without working. But why do you consider work a virtue?”

“Jealousy is a disease, love is a healthy condition. The immature mind often mistakes one for the other, or assumes that the greater the love, the greater the jealousy - in fact, they are almost inc...”

“May you live as long as you wish and love as long as you live.”

“It is almost impossible to shake of one's earliest training. Duke, can you get it through your skull that had you been brought up by Martians, you would have the same attitude toward eating and bei...”

“Your enemy is never a villain in his own eyes. Keep this in mind; it may offer a way to make him your friend. If not, you can kill him without hate and quickly.”

“Anybody can look at a pretty girl and see a pretty girl. An artist can look at a pretty girl and see the old woman she will become. A better artist can look at an old woman and see the pretty girl ...”

“I have a romantic side.”

“You always admire what you really don't understand.”

“What you can't get is just what suits you.”

“It's morally wrong to allow a sucker to keep his money.”

“It is very unnerving to be proven wrong, particularly when you are really right and the person who is really wrong is proving you wrong and proving himself, wrongly, right.”

“The secret to being wrong isn't to avoid being wrong! The secret is being willing to be wrong. The secret is realizing that wrong isn't fatal.”