Thematic Bible: Backsliders are guilty of

"A noise is heard on the hilltops. It is the sound of the people of Israel crying and pleading to their gods. Indeed they have followed sinful ways; they have forgotten to be true to the Lord their God. Come back to me, you wayward people. I want to cure your waywardness. Say, 'Here we are. We come to you because you are the Lord our God.