Moses
Deuteronomy 28:46ESV·traditional attribution

They shall be a sign and a wonder against you and your offspring forever.

Matthew Henry Presbyterian @wholebiblehenry

One would have thought that enough had been said to possess them with a dread of that wrath of God which is revealed from heaven against the ungodliness and unrighteousness of men. But to show how deep the treasures of that wrath are, and that still there is more and worse behind, Moses, when one would have thought that he had concluded this dismal subject...

Commenting on Deuteronomy 28:45-68

John Gill Reformed Baptist @doctorgill

A nation of fierce countenance,.... Or, "strong of face" (y); which aptly describes the old Romans, who are always represented as such; and whereas it is said of the Chaldeans, that they were a nation dreadful and terrible, Hab 1:7; the same is said of the fourth beast, or Roman empire, Dan 7:7; who were a terror to all the world: which shall not regard...

Keil & Delitzsch Lutheran @keilanddelitzsch

Deu 28:44-46 The opposite of Deu 28:12 and Deu 28:13 would come to pass. - In Deu 28:46 the address returns to its commencement in Deu 28:15, with the terrible threat, “These curses shall be upon thee for a sign and for a wonder, and upon thy seed for ever,” for the purpose of making a pause, if not of bringing the whole to a close.

Commenting on Deuteronomy 28:44-46