Aim for the moon
And land among clouds;
High above earth,
You can still be proud.
Aim for the moon,
The sun or the stars;
Your friends will be angels,
On journeys, afar.
Aim for the moon-
Not aiming's the sin;
For you'll never travel
If you don't here, begin.
Patti Masterman
http://www.poemhunter.com/poem/aim-for-the-moon/