Always getting older on the outside is no surprise at all. Always getting newer on the inside is a daily, dizzying surprise.
“‘Who are YOU?' said the Caterpillar. . . . Alice replied, rather shyly, ‘I--I hardly know, sir, just at present--at least I know who I WAS when I got up this morning, but I think I must have been changed several times since then.’” Lewis Carroll
"Age is not all decay; it is the ripening, the swelling of the fresh life within, that withers and bursts the husk." George MacDonald
“They will bear fruit when they are old. They will be green and growing and flourishing.” Psalm 92: 14