Remember that the Lord is declaring this in advance. He had offered to them the possibility once again to escape, but, knew in this case that they would not. If He knew they wouldn't accept these terms why would He even offer them? By having this declared, by having this written for the sake of the remnant, they in the future will know these things to be true and thus the Lord to be greatly feared.
The emphasis is on the fact that both Israel and Judah believe themselves to be all of this, that the Lord supposedly is with them and yet there is not a man to be found that executes His judgments; no one fighting for His cause. They have become rich and that is their own proof. The Lord had stricken them and they have not grieved, consumed them and still they have not received correction. Certainly we as a nation must be concerned of this too, but, therein we see the difficulty; individuals may believe, even majorities of individuals, the course of nations however are not necessarily stirred by well intentioned individuals.
The righteousness of Judah had nothing to do with their own righteousness but, of the Lord's choice, His covenant with them. His righteousness made their righteousness and this form of righteousness is much much different. In the same fashion, Judah's escape from their captivity to Babylon was not in their own hands, their Lord was going to use the Medes to break their bonds. It cannot then be said that it was the hand of Judah, nor even the hands of the Medes (not with the impossible impenetrable odds that the Medes were up against); only by the hand of God. The Lord has used Judah in this same fashion to break many a nation since and continues to use them today; a nation the rarely was a nation with an army the rarely was an army.
Lest we forget, the very symbol of Israels former glory the Temple is completely gutted and burned. The picture of judgment is complete. The few people that remained in Jerusalem were gathered and executed in stages.
What does this completion of judgment mean in the grand scheme of spiritual things? Does it mean the the experiment is over? Israel is finished and we move on to plan B? Does it mean that God has learned from His mistakes and will start up in a different fashion again? Or does it mean that there is something vital for all of mankind to understand? Something of our depraved sinful nature that even with promises, even with miraculous deliverance and provision, even with tremendous blessing and tremendous cursing and every sort of intention revival and effort, none of this has any effect upon the true core nature of man's deceptive heart. The heart does not obey because it cannot. The heart cannot be spiritual because it is not. All that we intend and invent and contrive is but utter vanity. What is blind cannot see. In this unfamiliar light we sense that only by His grace and by His election are we separated from this wretchedness.
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