INTRODUCTION TO ISAIAH 21 This chapter contains prophecies against Babylon, Idumea, and Arabia. The prophecy against Babylon is called "the burden of the desert of the sea"; whose enemies are described by the fierce manner of their coming, and by the land from whence they came, Isa 21:1 which vision being declared to the prophet, is called a grievous one; what made it so was treachery among themselves; and the Medes and Persians are invited to besiege them, Isa 21:2 their terror and distress upon it are represented by the pains of a woman in travail, whom the prophet personates, Isa 21:3 and by the methods they took to defend themselves, to which they were alarmed, when in the greatest security and jollity, Isa 21:5 all which is illustrated by the vision of the watchman, who saw the Medes and Persians on the march, signified by a chariot and a couple of horsemen, who declares the fall of Babylon, and the destruction of its gods, Isa 21:6 which would issue in the good and comfort of the church and people of God, Isa 21:10 then follows the prophecy against Idumea, which consists of a question put to the watchman, and his answer to it; to which an exhortation is added, Isa 21:11 and the chapter concludes with another prophecy against Arabia: the calamities threatened are lodging in a forest, thirst, famine, and fleeing from the sword Isa 21:13, and the time is fixed when all this should be, by which their glory would fail, and the number of their archers and mighty men be lessened; for the confirmation of which the divine testimony is annexed, Isa 21:16.