O God, from my youth you have taught me, and I still proclaim your wondrous deeds. So even to old age and gray hairs, O God, do not forsake me, until I proclaim your might to all the generations to come. Your power and your righteousness, O God, reach the high heavens. (Psalm 71:17-19) Who is the oldest person you know? Who is the youngest person you know? When is the last time you talked to them? What about? Our lives are full…