8. Was the Lord displeased against the rivers?--"Was the cause of His dividing the Red Sea and Jordan His displeasure against these waters?" The answer to this is tacitly implied in "Thy chariots of salvation." "Nay; it was not displeasure against the waters, but His pleasure in interposing for His people's salvation" (compare Hab 3:10).
      thy chariots--in antithesis to Thy foe, Pharaoh's chariots," which, notwithstanding their power and numbers, were engulfed in the waters of destruction. God can make the most unlikely means work for His people's salvation (Ex 14:7, 9, 23, 25-28; 15:3-8, 19). Jehovah's chariots are His angels (Ps 68:17), or the cherubim, or the ark (Jos 3:13; 4:7; compare So 1:9).

JFB.