Look at that pen. Can you see what’s special about it? It never stops working, because it has no ink. Don’t you think it’s wonderful?
Look at this next invention: a special clock. Can you see what’s special about it? It never needs to be adjusted because it has no hands. Are you impressed?
Now how about the following: a “miracle” glue. If you have it on your fingers, it will pull out easily, because it just doesn’t stick! Don’t you think it’s some kind of incredible glue?