Deuteronomy 18:19-21

Lexham English Bible

¹⁹ And then^[a] the man that will not listen to my words that he shall speak in my name, I will hold accountable. ²⁰ However, the prophet that behaves presumptuously by speaking a word in my name that I have not commanded him to speak, and who speaks in the name of other gods, then that prophet shall die.’ ²¹ And if you say to yourself,^[b] ‘How can we know the word that Yahweh has not spoken to him?’