If you wait until you're really sure, you'll never take off the training wheels.
Believing in the Tooth Fairy is easier than trying to figure out how else the money gets under your pillow.
Look at the footprints you've made.
It's easier to see the mistake on someone else's paper.
Flowers and pricker bushes grow out of the same dust.
If you want to zoom down the expert slope tomorrow, you have to fall down the bunny slope today.