The young do not know enough to be prudent,
and therefore they attempt the impossible -
and achieve it,
generation after generation.
- Pearl S. Buck
Everyone who got where he is,
had to begin where he was.
- Richard L. Evans
The youth gets together his materials
to build a bridge to the moon,
or, perchance, a palace or temple on the earth,
and, at length, the middle-aged man
concludes to build a woodshed with them.
- Henry David Thoreau
Youth is a quality, not a matter of circumstances.
- Frank Lloyd Wright
Nothing is Impossible when You are Young in Spirit.
- Jonathan Lockwood Huie
Further reading: How to Stay Young
Be Brave and Chase Your Dreams
Top 5 Regrets of the Dying
Aging With Grace
