Each will receive wages in proportion to his labor. For we are God's co-workers; you are God's field, God's building.

But by the grace of God I am what I am, and his grace to me has not been ineffective. Indeed, I have toiled harder than all of them; not I, however, but the grace of God (that is) with me.

So whoever is in Christ is a new creation: the old things have passed away; behold, new things have come. How does this square with a mere declaratory, forensic, extrinsic justification? This passage describes the actual transformation in the Christian now in Christ.