Deuteronomy 13

1 Every word that I command you this day, it shalt thou observe to do: thou shalt not add to it, nor diminish from it.

2 And if there arise within thee a prophet, or one who dreams a dream, and he gives thee a sign or a wonder, 3 and the sign or the wonder come to pass which he spoke to thee, saying, Let us go and serve other gods, which ye know not;