[436 words] Donna’s father was visiting for a week, and since he was a pretty good fix-it man, she left him a note before she went to work. It read: “Dad, mileage counter on treadmill not working. Any ideas? Love, Donna.” When she returned home, she read his reply: “Donna, walk until you get tired. Love, Dad.” — After a day of listening to my eighth graders exchange gossip, I decided to quote Mark Twain to them: “It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.” After considering my words, one of my students asked, “What does it mean to remove all doubt?” — A church nursery had this Scripture on the wall: “We shall not all sleep, but we shall all be changed” (1 Corinthians 15:51). — As a man was driving down the…