“He must be of a high and great spirit that undertakes to serve the people in body and soul, for he must suffer the utmost danger and thanklessness. Therefore Christ said to Peter, Simon, &c., ‘Lovest thou me?’ repeating it three times together. Then he said: ‘Feed my sheep,’ as if he would say, ‘Wilt thou be an upright minister, and a shepherd? then love must only do it, thy love to me; for how else could ye endure unthankfulness, and spend wealth and health, meeting only with persecution and ingratitude?'”
— Martin Luther, The Table Talk 136
