A long memory is the most subversive idea in America. A tautology is a thing which is tautological. A witty saying proves nothing, but saying something pointless gets people's attention. If your kids look like you, it's hereditory. If they look like the neighbor, it's the environment. Although golf was originally restricted to wealthy, overweight Protestants, today it's open to anybody who owns hideous clothing.

There's only one way kids will wear helmets, and that's if their parents are nagging them to. They will never wear helmets because some state passes a law requiring it.

I hope I don't sound like an old-fashioned stick-in-the-mud, but when I hear about people making vast fortunes without doing any productive work or contributing anything to society, my reaction is: “How can I get in on that?

Found a smoldering cigarette left by a horse.

I did all this stuff that was illegal when I was a kid. I drank beer when I was 15. I smoked cigarettes when I was 13. I drove to New York City when I was 14 - don't tell my son. Those things were against the law, but I did them anyway. I didn't become a heroin addict, although I probably could have gotten heroin somehow. I don't think my son would buy heroin at any price. He knows what it is, and he knows how stupid it is.

In foreign countries such as Italy, the government puts strict-looking speed limit signs everywhere, but nobody ever sees them because light does not travel fast enough to catch the Italian drivers.

Camping is nature's way of promoting the motel business.