1:67-80 Zacharias uttered a prophecy concerning the kingdom and salvation of the Messiah. The gospel brings light with it; in it the day dawns. In John the Baptist it began to break, and increased apace to the perfect day. The gospel is discovering; it shows that about which we were utterly in the dark; it is to give light to those that sit in darkness, the light of the knowledge of the glory of God in the face of Jesus Christ. It is reviving; it brings light to those that sit in the shadow of death, as condemned prisoners in the dungeon. It is directing; it is to guide our feet in the way of peace, into that way which will bring us to peace at last, Ro 3:17. John gave proofs of strong faith, vigorous and holy affections, and of being above the fear and love of the world. Thus he ripened for usefulness; but he lived a retired life, till he came forward openly as the forerunner of the Messiah. Let us follow peace with all men, as well as seek peace with God and our own consciences. And if it be the will of God that we live unknown to the world, still let us diligently seek to grow strong in the grace of Jesus Christ.
80. And the child, &c.—"a concluding paragraph, indicating, in strokes full of grandeur, the bodily and mental development of the Baptist; and bringing his life up to the period of his public appearance" [Olshausen].
in the deserts—probably "the wilderness of Judea" (Mt 3:1), whither he had retired early in life, in the Nazarite spirit, and where, free from rabbinical influences and alone with God, his spirit would be educated, like Moses in the desert, for his future high vocation.
his showing unto Israel—the presentation of himself before his nation, as Messiah's forerunner.