God put the physical world under a curse so that the physical horrors we see around us in diseases and calamities would become a vivid picture of how horrible sin is. In other words, physical evil is a parable, a drama, a signpost pointing to the moral outrage of rebellion against God. Why might that be fitting? Because in our present condition, after the fall, blinded by sin, we cannot see or feel how repugnant sin against God is. Hardly anyone in the world feels the horror of preferring other things