Deuteronomy Chapter 9, Verse 3

3: Understand therefore this day, that the LORD thy God is he which goeth over before thee; as a consuming fire he shall destroy them, and he shall bring them down before thy face: so shalt thou drive them out, and destroy them quickly, as the LORD hath said unto thee.- edit KJV text
3: Thou shalt know therefore this day that the Lord thy God himself will pass over before thee, a devouring and consuming fire, to destroy and extirpate and bring them to nothing before thy face quickly, as he hath spoken to thee.— edit Douay text
3: And thou shalt know to-day, that the Lord thy God he shall go before thy face: he is a consuming fire; he shall destroy them, and he shall turn them back before thee, and shall destroy them quickly, as the Lord said to thee.— edit LXX text