John Gills Exposition of the Bible Commentary - Psalms 56:7
Shall they escape by iniquity ?.... Shall such iniquity as this, or persons guilty of it, go unpunished, or escape righteous judgment, and the vengeance of God? No; and much less shall they escape by means of their iniquity; by their wicked subtlety, or by any evil arts and methods made use of, by making a covenant with death, and an agreement with hell; or escape because of their iniquity; or be delivered because of the abominations done by them, as they flatter themselves, Jeremiah 7:10 ... read more
Matthew Henry's Complete Commentary - Psalms 56:1-7
David, in this psalm, by his faith throws himself into the hands of God, even when he had by his fear and folly thrown himself into the hands of the Philistines; it was when they took him in Gath, whither he fled for fear of Saul, forgetting the quarrel they had with him for killing Goliath; but they soon put him in mid of it, 1 Sam. 21:10, 11. Upon that occasion he changed his behaviour, but with so little ruffle to his temper that then he penned both this psalm and Ps. 34:1-22. This is... read more