He divided the sea ... - The Red Sea. (Exodus 14:21–22).

And he made the waters to stand as an heap<…

As a heap. —See Note, Psalms 33:7.

They kept not the covenant of God, and refused to walk in his law; and forgat his works, and his wonders that he had shewed them. Marvellous th…

He divided the sea
The Targum adds,

Sin dispirits people and takes away their courage. Forgetfulness of God's works is the cause of disobedience to His laws. This narrative relates a …