Excellent point! If forgiveness is the whole deal, it’s a rather narrow deal.
To Egpyt?
I think the legal view of things in the Roman west and then the legal views of the Reformation (Calvin especially) lead us to want things codified rather than illustrated.
I’m not sure it’s possible to “over-define” sin. From the OT, sin isn’t just moral failure, it includes all sorts of aspects of being mortal that we have no control over.
Which is why one of my favorite illustrations of the Gospel comes form the movie Meatballs – the whole “It just doesn’t matter” scene: yes, sin is pervasive, we fail continually, but it just doesn’t matter! It’s been taken care of! It’s been covered, atoned for, healed, wiped out, forgiven! As Staupitz tried to get through to Luther, all the time spent enumerating, indeed even figuring out, all our sins is time spent with our eyes off the Savior; the sin just doesn’t matter, but He does.
I’d say we got the example wrong from the Fathers and their definitions of things. When examined closely, it’s evident that they put forward definition only to clarify and to correct error (primarily Christological error), while later theologians built up systematics and ventured into treating the definitions as valuable for their own sake (I was once told I’d never be a good systematician, and I took it as a compliment).
Yes – patristic definitions were set forth to keep it clear Who was being talked about, not to cover ever last idea. They were concerned with