Verse 11. And he passed through - The whole verse is an allusion to what God had done in the two famous deliverances of his people, bringing them out of Egypt, through the Red Sea, and through Jordan, and destroying the Egyptians, and delivering them out of Assyrian bondage, and in order thereto, destroying that kingdom.
Verse 12. Walk up and down - Shall manage all their affairs. In his name - By power and wisdom given from above, to the glory of our God, and our Redeemer.