Workmen Found Wanting

"Upright and faithful Christians ever think they are not faithful, nor believe as they ought; and therefore they constantly strive, wrestle, and are diligent to keep and to increase faith, as good workmen always see that something is wanting in their workmanship. But the botchers think that nothing is wanting in what they do, but that everything is well and complete. Like as the Jews conceive they have the ten commandments at their fingers end, whereas, in truth, they neither learn nor regard them." Martin Luther, Table-Talk Ch.295