“If you shoot for the stars, you'll at least hit the moon”
“Shoot for the moon, even if you fail, you'll land among the stars”
“Shoot for the moon. Even if you miss, you'll land among the stars.”
“Shoot for the stars but if you happen to miss shoot for the moon instead.”
“Shoot for the stars because the moon is just too close.”
“Go for the moon. If you don't get it, you'll still be heading for a star”