(10) Thou didst blow with thy wind.--A new fact, additional to the narrative in Exodus 14, but in complete harmony with it. As a strong east (southeast) wind had driven the waters of the Bitter Lakes to the north-westward, so (it would seem) their return was aided and hastened by a wind from the opposite direction, which caused the sea to "cover" the Egyptians.

They sank as lead.--Compare Exodus 15:5. To an eye-witness, it would seem, the sudden submersion and disappearance of each warrior, as the waters closed around him, was peculiarly impressive. Each seemed to be swallowed up at once, without a struggle. This would be a natural result of the heavy armour worn by the picked warriors.

In the mighty waters.--With these words the second stanza, or strophe, closes. Miriam and her maidens, it is probable, again interposed with the magnificent refrain, "Sing ye to the Lord, for he hath glorified himself gloriously; the horse and his rider hath he thrown into the sea."

Verse 10. - Thou didst blow with thy wind. Here we have another fact not mentioned in the direct narrative, but entirely harmonising with it. The immediate cause of the return of the waters, as of their retirement, was a wind. This wind must have come from a new quarter, or its effects would not have been to bring the water back. We may reasonasbly suppose a wind to have arisen contrary to the former one, blowing from the north-west or the north, which would have driven the water of the Bitter LaMes southward, and thus produced the effect spoken cf. The effect may, or may not, have been increased by the flow of the tide in the Red Sea They sank as lead. See the comment on verse 5.

15:1-21 This song is the most ancient we know of. It is a holy song, to the honour of God, to exalt his name, and celebrate his praise, and his only, not in the least to magnify any man. Holiness to the Lord is in every part of it. It may be considered as typical, and prophetical of the final destruction of the enemies of the church. Happy the people whose God is the Lord. They have work to do, temptations to grapple with, and afflictions to bear, and are weak in themselves; but his grace is their strength. They are often in sorrow, but in him they have comfort; he is their song. Sin, and death, and hell threaten them, but he is, and will be their salvation. The Lord is a God of almighty power, and woe to those that strive with their Maker! He is a God of matchless perfection; he is glorious in holiness; his holiness is his glory. His holiness appears in the hatred of sin, and his wrath against obstinate sinners. It appears in the deliverance of Israel, and his faithfulness to his own promise. He is fearful in praises; that which is matter of praise to the servants of God, is very dreadful to his enemies. He is doing wonders, things out of the common course of nature; wondrous to those in whose favour they are wrought, who are so unworthy, that they had no reason to expect them. There were wonders of power and wonders of grace; in both, God was to be humbly adored.Thou didst blow with thy wind,.... A strong east wind, Exodus 14:22 which is the Lord Christ's, who has it in his treasury, holds it in his fists, sends it out as he pleases, and it fulfils his word and will:

the sea covered them; which stood up in an heap as a wall to let Israel pass through, and fell down with all its waves and billows with great force upon the Egyptians, and covered and drowned them:

they sunk as lead in the mighty waters; which is a very heavy metal, and, being cast into the water, sinks to the bottom at once, as did the Egyptians in the Red sea, and as Babylon the great will, and never rise more, Revelation 18:21.