But a truly repentant heart is so affected that it dreads nothing else but the wrath and indignation of God, taking no account of disgrace among men, provided it knows that God is propitious, even as David expresses this feeling and sense of sin in Ps. 51. But it must be observed that hypocrites remain true to form and when they are not permitted to vent their anger according to their liking, they nevertheless make a show of their rage and special power, lest they seem inferior to those whom they hate and persecute.
Luther’s works, vol. 6: Lectures on Genesis: Chapters 31-37 p 43