Let death steal over them; let them go down to Sheol alive; for evil is in their dwelling place and in their heart.
15 Let death seize upon them. He now denounces the whole faction, not the nation generally, but those who had taken a prominent part in the persecution of him. In imprecating this curse he was not influenced by any bad feeling towards them, and must be understood as speaking not in his own cause but in that of God, and under the immediate guidance of his Spirit.
Not thus would Jesus pray, but the rough soldier David so poured out the anguish of his spirit, under treachery and malice seldom equalled and altogether unprovoked. The soldier, as such, desires the overthrow of his foes, for this very end he fights; and viewed as a matter of law and justice, David was right in his wish; he was waging a just, defensive war...
David here complains of his enemies, whose wicked plots had brought him, though not to his faith's end, yet to his wits' end, and prays against them by the spirit of prophecy. Observe here, I. The character he gives of the enemies he feared. They were of the worst sort of men, and his description of them agrees very well with Absalom and his accomplices. 1.
Commenting on Psalm 55:9-15