It's easier to get older than it is to get wiser.

Any twelve people who can't get themselves out of jury duty are not my peers.

"How many seconds are there in a year? If I tell you there are 3.155 x 10^7, you won't even try to remember it. On the other hand, who could forget that, to within half a percent, pi seconds is a nanocentury."
Tom Duff, Bell Labs

Ask a silly person, get a silly answer.

Confucius say: Those who quote me are fools.