In his greeting, Paul previewed coming attractions in the rest of the letter, including the main event of Christ’s humiliation and exaltation.
At the Red Sea, the LORD triumphed gloriously, made himself known, and anticipated his greater triumph in the cross and resurrection.
Even though his people grumbled and quarreled, the Lord satisfied their needs at his own expense.
The tenth plague was the death of the firstborn of Egypt, which was also the salvation of the people of Israel.