5. our soul loatheth this light bread—that is, bread without substance or nutritious quality. The refutation of this calumny appears in the fact, that on the strength of this food they performed for forty years so many and toilsome journeys. But they had been indulging a hope of the better and more varied fare enjoyed by a settled people; and disappointment, always the more bitter as the hope of enjoyment seems near, drove them to speak against God and against Moses (1Co 10:9).

     6. The Lord sent fiery serpents among the people—That part of the desert where the Israelites now were—near the head of the gulf of Akaba—is greatly infested with venomous reptiles, of various kinds, particularly lizards, which raise themselves in the air and swing themselves from branches; and scorpions, which, being in the habit of lying in long grass, are particularly dangerous to the barelegged, sandaled people of the East. The only known remedy consists in sucking the wound, or, in the case of cattle, in the application of ammonia. The exact species of serpents that caused so great mortality among the Israelites cannot be ascertained. They are said to have been "fiery," an epithet applied to them either from their bright, vivid color, or the violent inflammation their bite occasioned.

     7-9. the people came to Moses, and said, We have sinned—The severity of the scourge and the appalling extent of mortality brought them to a sense of sin, and through the intercessions of Moses, which they implored, they were miraculously healed. He was directed to make the figure of a serpent in brass, to be elevated on a pole or standard, that it might be seen at the extremities of the camp and that every bitten Israelite who looked to it might be healed. This peculiar method of cure was designed, in the first instance, to show that it was the efficacy of God's power and grace, not the effect of nature or art, and also that it might be a type of the power of faith in Christ to heal all who look to Him because of their sins (Joh 3:14, 15; see also on 2Ki 18:4).

     10. the children of Israel set forward—along the eastern frontier of the Edomites, encamping in various stations.