And he shall say, Where are their gods, their rock in whom they trusted, He shall say - He shall begin to expostulate with them, to awaken them to a due sense of their ingratitude and rebellion. This may refer to the preaching of the Gospel to them in the latter days.
Related Commentaries of Deuteronomy 32:37
Deuteronomy 32:37
37 And he shall say, Where are their gods, their rock in whom they trusted,