Inner self vs. the Outer self (2 Corinthians 4:16)

Reading through scripture, particularly in the New Testament, we see the comparison between the inner and outward selves. A key verse addressing this comparison is 2 Corinthians 4:16, saying, “So we do not lose heart. Though our outer self is wasting away, our inner self is being renewed day by day.” How can we understand the difference between the outer and …