And he is the atoning sacrifice{"atoning sacrifice" is from the Greek "hilasmos," an appeasing, propitiating, or the means of appeasement or propitiation-- the sacrifice that turns away God's wrath because of our sin.} for our sins, and not for ours only, but also for the whole world.

 First, as to its form, this passage is not exactly poetry but it is certainly poetical and strongly rhythmical. Therefore, it is to be interpreted as poetry ought to be. 