‏ 2 Corinthians 4:16

 Wherefore we faint not ( διο ουκ εγκακουμεν ). Repeats from verse 1.

 Our outward man ( ο εξω ημων ανθρωπος ),

 our inward man ( ο εσω ημων ). In Ro 7:22; Col 3:9; Eph 4:22f., we have the inward man and the outward for the higher and the lower natures (the spirit and the flesh). "Here the decay ( διαφθειρετα ) of the bodily organism is set over against the growth in grace ( ανακαινουτα, is refreshed) of the man himself" (Bernard). Plato (Republ. ix, p. 589) has  ο εντος ανθρωπος. Cf. "the hidden man of the heart" (1Pe 3:4).

 Day by day ( ημερα κα ημερα ). This precise idiom is not in LXX nor rest of N.T. It may be colloquial use of locative in repetition.

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