So the house of Israel shall know that I am the LORD their God from that day forward.
Ezekiel 39:22
Surrounding context
39:21 "I will set My glory among the nations; all the nations shall see My judgment which I have executed, and My hand which I have laid on them.
39:22 So the house of Israel shall know that I am the LORD their God from that day forward.
39:23 The Gentiles shall know that the house of Israel went into captivity for their iniquity; because they were unfaithful to Me, therefore I hid My face from them. I gave them into the hand of their enemies, and they all fell by the sword.