For on that day, every one of you will reject the idols of silver and gold that your own hands have sinfully made.
7. For in that day. He continues the subject which he began in the former verse. Yet there is this difference, that in the former verse he exhorted to repentance, but now he points out the fruits of repentance, which, we know, is the customary way of teaching in Scripture; for, since repentance is concealed within us, and has its root in the heart, it...
This explains the foregoing promise of the deliverance of Jerusalem; she shall be fitted for deliverance, and then it shall be wrought for her; for in that method God delivers. I. Jerusalem shall be reformed, and so she shall be delivered from her enemies within her walls, Isa 31:6, Isa 31:7. Here is, 1. A gracious call to repentance.
Commenting on Isaiah 31:6-9
For in that day,.... When deliverance shall be wrought; when men shall be convinced of the vanity and insufficiency of their idols to help them, and of their sin in worshipping them; when they shall be brought to repentance for it, and turn to the Lord as an evidence of it: every man shall cast away his idols of silver, and his idols of gold...