So also is the free gift not like the offense. For if through the offense of one many are dead, much more the grace of God, and the gift by grace, which is by one man, Jesus Christ, has abounded unto many.
All Commentaries on Romans 5:15 Go To Romans 5
John Chrysostom
AD 407
What Paul is saying here seems to be something like this. If sin, and the sin of a single man moreover, had such a big effect, how is it that grace, and that the grace of God—not of the Father only but also of the Son— would not have an even greater effect? That one man should be punished on account of another does not seem reasonable, but that one man should be saved on account of another is both more suitable and more reasonable. So if it is true that the former happened, much more should the latter have happened as well! Homilies on Romans