When you read about chemistry and physics, you want to do them too.

— Robert A. Heinlein

When you vote, you are exercising political authority, you're using force. And force, my friends, is violence. The supreme authority from which all other authorities are derived.

— Robert A. Heinlein

Women and cats will do as they please, and men and dogs should relax and get used to the idea.

— Robert A. Heinlein

Women talk when they want to. Or don't.

— Robert A. Heinlein

Writing is not necessarily something to be ashamed of, but do it in private and wash your hands afterward.

— Robert A. Heinlein

Yes, sir, there are things to see and do on the French Riviera without spending money.

— Robert A. Heinlein

Yield to temptation. It may not pass your way again.

— Robert A. Heinlein

You are telling me that I did something because I was going to do something.”“Well, didn’t you? You were there.”“No, I didn’t—no… well, maybe I did, but it didn’t feel like it.”“Why should you expect it to? It was something totally new to your experience.”“But… but—” Wilson took a deep breath and got control of himself. Then he reached back into his academic philosophical concepts and produced the notion he had been struggling to express. “It denies all reasonable theories of causation. You would have me believe that causation can be completely circular. I went through because I came back from going through to persuade myself to go through. That’s silly.”“Well, didn’t you?

— Robert A. Heinlein

You can have peace. Or you can have freedom. Don't ever count on having both at once.

— Robert A. Heinlein

You can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.

— Robert A. Heinlein