The argument of these verses is such as no man would dare to put into the mouth of the Most High. Moses had pleaded it (in Numbers 14:13-16; Exodus 32:12), but none but Jehovah Himself would say for Himself, “I feared the wrath of the enemy.”
Related Commentaries of Deuteronomy 32:26
Deuteronomy 32:26-27
26 I said, I would scatter them into corners, I would make the remembrance of them to cease from among men:
27 Were it not that I feared the wrath of the enemy, lest their adversaries should behave themselves strangely, and lest they should say, Our hand is high, and the LORD hath not done all this.