Commentaries
7:17-25 Let those who will not believe the promises of God, expect to hear the alarms of his threatenings; for who can resist or escape his judgments? The Lord shall sweep all away; and whomsoever he employs in any service for him, he will pay. All speaks a sad change of the face of that pleasant land. But what melancholy change is there, which sin will not make with a people? Agriculture would cease. Sorrows of every kind will come upon all who neglect the great salvation. If we remain unfruitful under the means of grace, the Lord will say, Let no fruit grow on thee henceforth for ever.
20. razor—The Assyrians are to be God's instrument of devastating Judea, just as a razor sweeps away all hair before it (Isa 10:5; Eze 29:19, 20).
hired—alluding to Ahaz' hiring (2Ki 16:7, 8) Tiglath-pileser against Syria and Israel; namely,
by them beyond the river—namely, the Euphrates; the eastern boundary of Jewish geographical knowledge (Ps 72:8); the river which Abram crossed; the Nile also may be included (Isa 7:18) [G. V. Smith]. Gesenius translates, "With a razor hired in the parts beyond the river."
head … feet—the whole body, including the most honored parts. To cut the "beard" is the greatest indignity to an Easterner (Isa 50:6; 2Sa 10:4, 5; Eze 5:1).