But Ahaz said, “I will not ask, and I will not put the LORD to the test.”
12. And Ahaz said. By a plausible excuse he refuses the sign which the Lord offered to him. That excuse is, that he is unwilling to tempt the LORD; for he pretends to believe the words of the Prophet, and to ask nothing more from God than his word. Ungodliness is certainly detestable in the sight of God, and in like manner God unquestionably sets a high value on faith.
Here, I. God, by the prophet, makes a gracious offer to Ahaz, to confirm the foregoing predictions, and his faith in them, by such sign or miracle as he should choose (Isa 7:10, Isa 7:11): Ask thee a sign of the Lord thy God; See here the divine faithfulness and veracity. God tells us nothing but what he is able and ready to prove.
Commenting on Isaiah 7:10-16
But Ahaz said, I will not ask,.... That is, a sign or miracle to be wrought; being unwilling to take the advice to be still and quiet, and make no preparation for war, or seek out for help from the Assyrians, and to rely upon the promise and power of God, and therefore chose not to have it confirmed by a sign; adding as an...