Deuteronomy 8:19
And it shall be, if you do at all forget the LORD your God, and walk after other gods, and serve them, and worship them, I testify against you this day that you shall surely perish.
Torrey's Topical Textbook—AKJV

Jeremiah 18:15
Because my people has forgotten me, they have burned incense to vanity, and they have caused them to stumble in their ways from the ancient paths, to walk in paths, in a way not cast up;
Torrey's Topical Textbook—AKJV