Young Timmy needed eyeglasses, but he refused to wear them...
“But son,” urged his dad, “You’ll be able to see so much better.”
“I can see just fine, Dad,” protested Timmy. “Why, I can see that cat coming up the street two blocks away, and I can tell he has only one eye.”
“Timmy,” said his father in exasperation, “That cat isn’t coming towards us, it’s going away from us.”