for sin, yes, the deepest and most poignant remorse for sin, but not unrelieved remorse, but appeased remorse. There is no other joy on earth like that of appeased remorse: it is not only in heaven but on earth also that the joy over one sinner that repents surpasses that over ninety and nine just persons who need no repentance. The type of piety brought in by Augustine was pushed out of sight by the emphasis on human graces which marked the Middle Ages. Luther brought it back. His own experience