NET
16 Therefore we do not despair, but even if our physical body is wearing away, our inner person is being renewed day by day.
Darby
16 Wherefore we faint not; but if indeed our outward man is consumed, yet the inward is renewed day by day.
KJV
16 For which cause we faint not; but though our outward man perish, yet the inward [man] is renewed day by day.