Deuteronomy 32:35 in the King James Version
To me belongeth vengeance, and recompence; their foot shall slide in due time: for the day of their calamity is at hand, and the things that shall come upon them make haste.
Context
34 “Isn’t this laid up in store with me, sealed up among my treasures?
35 Vengeance is mine, and recompense, at the time when their foot slides, for the day of their calamity is at hand. Their doom rushes at them.”
36 For the LORD will judge his people, and have compassion on his servants, when he sees that their power is gone, that there is no one remaining, shut up or left at large.