Exodus 23: 20 - 23
20 "Behold, I send an angel before you, to guard you on the way and to bring you to the place which I have prepared.
21 Give heed to him and hearken to his voice, do not rebel against him, for he will not pardon your transgression; for my name is in him.
22 "But if you hearken attentively to his voice and do all that I say, then I will be an enemy to your enemies and an adversary to your adversaries.
23 "When my angel goes before you, and brings you in to the Amorites, and the Hittites, and the Per'izzites, and the Canaanites, the Hivites, and the Jeb'usites, and I blot them out,