Therefore we don’t faint, but though our outward man is decaying, yet our inward man is renewed day by day.
–2 Corinthians 4:16

The “outward man,” or “outward person,” means the body.

As we age, the body becomes weaker. But the “inward person,” our spiritual nature, can be daily renewed by the Spirit of God (Romans 7:22; Ephesians 3:16). Constant renewal k…