Psalms 58:7

“He shall drink of the brook in the way, etc.] This some understand of the sufferings of Christ, compared to a brook, a flow of waters, because of the abundance of them, as in (<196901>Psalm 69:1,9), his partaking of which is sometimes expressed by drinking, (<402022>Matthew 20:22 <431811>John 18:11) and this was in the way of working out the salvation of his people, and in his own way to glory, (<422426>Luke 24:26). If this is the sense, there may be some allusion to the black brook Kidron; over which David, the type of Christ, passed when in distress; and over which Christ himself went into the garden, where his sorrows began, (<101523>2 Samuel 15:23 <431801>John 18:1), but seeing this…”

“which run continually--literally, "they shall go to themselves," utterly depart, as rapid mountain torrents. he bendeth . . . his arrows--prepares it. The term for preparing a bow applied to arrows (Psa 64:3). let them . . . pieces--literally, "as if they cut themselves off"--that is, become blunted and of no avail.”

“Let them melt away as waters which run continually - Let them vanish or disappear as waters that flow off, or floods that run by, and are no more seen. “Perhaps” the allusion here may be to the waters of a torrent that is swollen, which flow off and are lost in the sand, so that they wholly disappear. See the notes at Job 6:15-19. The prayer is, that his enemies might perish or be cut off, and that he might thus be saved from them. When he bendeth his bow to shoot his arrows - literally, “he treads on his arrows.” See the notes at Psalms 11:2. The meaning here is, When he prepares for an attack - or, prepares to make war, as one does who bends his bow, and places his arrow on the string. The…”

“Melt away - As waters arising from melted snow, which at first run with great force, but are suddenly gone. Psalms 58:8”

“Psa 22:14, Psa 64:7, Psa 64:8, Psa 112:10; Exo 15:15; Jos 2:9-11, Jos 7:5; Sa2 17:10; Isa 13:7 Psalms 58:8”