At the blast of Your nostrils the waters piled up; like a wall the currents stood firm; the depths congealed in the heart of the sea.
Having read how that complete victory of Israel over the Egyptians was obtained, here we are told how it was celebrated; those that were to hold their peace while the deliverance was in working (Exo 14:14) must not hold their peace now that it was wrought; the less they had to do then the more they had to do now.
Commenting on Exodus 15:1-21
And with the blast of thy nostrils the waters were gathered together,.... From the bottom of the sea, and divided and laid on heaps; and this by a strong east wind, called the blast of the nostrils of the Lord, because as easily brought by him as a man's breath or wind is drawn through his nostrils; and thus Christ with the breath of his...
The depths were congealed - The strong east wind (Exo 14:21) employed to dry the bottom of the sea, is here represented as the blast of God's nostrils that had congealed or frozen the waters, so that they stood in heaps like a wall on the right hand and on the left.