Psalms 78:45

“And he remembered for them his covenant, etc.] At Sinai, according to Aben Ezra; rather that made with Abraham, Isaac, and Jacob; (see <19A508>Psalm 105:8-10), not their covenant who promised to hear and do all that the Lord commanded, and did it not; but his covenant, his promise of giving them the good land, and settling them in it: the Lord is ever mindful of the covenant of his grace for his people, for their good; he remembers the promises he has made, where they are in Christ; and so as to fulfil and apply them; he remembers the blessings of it, the sure mercies of David, and gives them; he remembers for whom it is made, and never forgets them; he remembers with whom it is made, with…”

“He sent divers sorts of flies ... - The account of this plague is found in Exodus 8:24. The word there used is simply “swarm,” without indicating what the swarm was composed of. The rabbis explain the word as denoting a mixture, or a conflux of noxious insects, as if the word were derived from ערב ‛ârab - “to mix.” The Septuagint renders it κυνόμνια kunomnia - “dog-fly” - which Philo describes as so named from its impudence. The common explanation of the word now is that it denotes a species of fly - the gad-fly - exceedingly troublesome to man and beast, and that it derives its name - ערב ‛ârôb - from the verb ערב ‛ârab, in one of its significations to suck, and hence, the allusion to…”

“Flies - These flies were doubtless extraordinary in their nature, and hurtful qualities. And the like is to be thought concerning the frogs. Psalms 78:46”

“sent: Psa 105:31; Exo 8:21-24 frogs: Psa 105:30; Exo 8:2-15; Rev 16:3 Psalms 78:46”