Duality T-ShirtAlchemical Rebis Unity of Opposites. After one has gone through the stages of putrefaction and purification, separating opposing qualities, those qualities are united once more in what is sometimes described as the divine hermaphrodite, a reconciliation of spirit and matter, a being of both male and female qualities as indicated by the male and female head within a single body. The sun and moon correspond to the male and female halves.