But there is still more; that is, that the image of God is engraved in all people. Therefore not only do I despise my [own] flesh whenever I oppress anyone, but to my fullest capacity I violate the image of God. Therefore let us carefully note that God willed in this passage to point out to those who are in authority and who receive esteem, who are richer than others and who enjoy some degree of honor, that they must not abuse those who are under their hand; they must not torment them beyond measure. They must always reflect on the fact that we are all descended from Adam’s race, that we possess a common nature and even that the image of God is engraved on us…
(John Calvin: Writings On Pastoral Piety, trans. Elsie Anne McKee, 260-1.)
CWoznicki Think Out Loud 