For our light affliction, which is but for a moment, works for us a far more exceeding and eternal weight of glory;
All Commentaries on 2 Corinthians 4:17 Go To 2 Corinthians 4
Ambrosiaster
AD 400
Paul is saying that our present afflictions are light because they are happening within time and space. In return for this light tribulation, we shall gain a degree of glory beyond measure. Commentary on Paul’s Epistles.