The Bridge Builder:
An old man, going a lone highway, came at the evening, cold and gray, to a chasm vast and deep and wide; the old man crossed in the twilight dim, the sullen stream had no fear for him; but he turned when safe on the other side and built a bridge to span the tide. "Old man," said a fellow pilgrim near, "you are wasting your strength with building here; your journey will end with the ending day, you never again will pass this way; you've crossed the chasm deep and wide; why build you this bridge at evening tide?" The builder lifted his old gray head- "good friend, in the path I have come," he said, "there followeth after me today, a youth whose feet must pass this way; this chasm that has been naught to me to that fair-haired youth may a pitfall be; he, too, must cross in the twilight dim- good friend, I am building this bridge for him."
Taken from Sigma Alpha Mu's "Candidate Handbook" p.47