John Trapp on Psalms 58:7

Verſ. 7. Let them melt away as waters] As Snow-waters before the Sun-beams, quickly melted, and ſoon drunk in by the dry earth, Job 24.19. In Pern, they ſay, there is a River called the Diurnal-river, or the Day[illegible: 1 letter]river, becauſe it falleth with a mighty current in the day, but in the Night is dry, becauſe it is not fed by a Spring, but cauſed meerly by the melting of the Snow, which lyeth on the Mountains thereabouts.

When he bendeth his how] i.e. Let him be utterly fruſtrated, let all his miſchievous deſigns and endeavours be blaſted, and come to nothing. In that famous Battel betwixt Theodoſius and Maximus, Milites nobis qui aderant retulerunt, De civ. Dell. 5. c. 26 ſaith Auguſtine, extorta ſibi eſſe de mantbus quacun que jaculaba[illegible: 1 letter]tur; cum à Theodoſii partibus in adverſaries vehemens ventus iret; & non ſolum quacun que in eos jaciebantur concitatiſſime raperet verum etiam ipſorum tela in eorum corpora retorqueret, the Souldiers told us,Iithmalalu reciprocam haber ſignificationem. Et hoc Sauls contigit. that their Darts thrown againſt the Chriſtians, were by a violent wind brought back upon themſelves. Accordingly ſome render this Hemiſtick thus; When he bendeth, &c. let him be as they that cut off themſelves.