PHILOSOFACTS If you would lift me, you must be on higher ground. Advertisement for lawn sprinkler system: "Dew it yourself." A politician leads an active life. When he isn't straddling an issue, he is dodging one. The person who spends all of today bragging about what he is going to accomplish tomorrow probably did the very same thing yesterday. Children are natural mimics. They act like their parents in spite of every attempt to teach them good manners. A key ring is a handy little gadget that allows you to lose all your keys at once. When a man wants to believe something, it doesn't take much to convince him. Overheard on the elevator: "Their marriage was going O.K. until they bought a water bed...then they started drifting apart." Constant use will wear out anything - especially friends. Have you noticed how, the older you get, the less you expect from life? In Sun City, bumper stickers read: Have an Acceptable Day. It's only fair that the government is now protecting senior citizens against catastrophic illness. Sometimes just realizing you're a senior citizen is catastrophic enough. Cleaning your house while your kids are still growing is like shoveling the walk before it has stopped snowing. I'm convinced that in a past life I was somebody named Occupant. And they're still forwarding my mail. I've changed my mind a dozen times. It seems to work better now. One pound of learning requires ten pounds of common sense to apply it. To study a subject best, understand it thoroughly before you start.