Thomas Coke Commentary on the Holy Bible - Ephesians 5:8
Ephesians 5:8. Ye were sometimes darkness,— St. Paul, to express the great darkness in which the Gentiles were, calls them darkness itself. The kingdom of Satan over the Gentile world was a kingdom of darkness. See ch. Ephesians 6:12. And so, on the other hand, we find Jesus is pronounced by Simeon a light to lighten the Gentiles, Luke 2:32. The parenthesis in Eph 5:9 serves to give us the literal sense of all that is here required by the Apostle in this allegorical discourse of light. See... read more
Coffman Commentaries on the Bible - Ephesians 5:10
Proving what is well-pleasing unto the Lord.As "children of light," by continuing to walk in the Christian way, the very achievements of such living would "prove" what was pleasing to God, first to themselves, and secondarily, to all who became aware of what they were doing. read more