And the nations shall know that the house of Israel went into captivity for their iniquity, because they dealt so treacherously with me that I hid my face from them and gave them into the hand of their adversaries, and they all fell by the sword.
The heathen mistook Israel's ruin for proof that God could not keep His covenant; but when He restores His people after their reformation, all the world will see the truth: Israel fell not by God's weakness but by their own sin, which forfeited His favour and threw them into His enemies' hands. This turns their reproach into His glory.
AI summary
Commenting on Ezekiel 39:23-29
And the Heathen shall know that the house of Israel went into captivity for their iniquity,.... Before this they thought the captivity of the Jews, and all their distresses, were owing to their own weakness, and the weakness of the God they served, and to the superior strength of their enemies, and the power of their gods; but now, by this strange and amazing destruction...
And the nations shall know that the house of Israel went into captivity for their iniquity: because they trespassed against me, therefore I hid my face from them, and gave them into the hand of their enemies: so they all fell by the sword.