20 “I am going to send a messenger before you to protect you as you journey and to bring you into the place that I have prepared. 21 Take heed because of him, and obey his voice; do not rebel against him, for he will not pardon your transgressions, for my Name is in him. 22 But if you diligently obey him and do all that I command, then I will be an enemy to your enemies, and I will be an adversary to your adversaries.

18 The Lord drove out from before us all the nations, including the Amorites who lived in the land. So we too will worship the Lord, for he is our God!” 19 Joshua warned the people, “You will not keep worshiping the Lord, for he is a holy God. He is a jealous God who will not forgive your rebellion or your sins. 20 If you abandon the Lord and worship foreign gods, he will turn against you; he will bring disaster on you and destroy you, though he once treated you well.”