If the bodily inequality that you struggle over is disease, deformity, or handicap, then you can comfort yourself with a promise that these things will be done away with. All of creation groans now (Romans 8:22), waiting for its day of deliverance from evils like these. But for the person struggling under inequalities of another kind—his best friend is a star basketball player and he is five-foot-nothing and hanging out on the bench—other kinds of truth need to be spoken.
