You can teach an old dog new tricks with the right kind of doggie treats.
Believing in the Tooth Fairy is easier than trying to figure out how else the money gets under your pillow.
Whiners usually play alone.
The teacher can always tell when you did your homework on the bus.
If you want to zoom down the expert slope tomorrow, you have to fall down the bunny slope today.
It doesn't count if your swing is going the highest if you're getting pushed.