Isaiah 8:16-20 - Warning Against Consulting The Dead

¹⁶ Bind up [the] testimony; seal [the] teaching among my disciples. ¹⁷ And I will wait for Yahweh, who hides his face from the house of Jacob, and I will await him.

¹⁸ Look! I and the children whom Yahweh has given to me [are] like signs and portents in Israel from Yahweh of hosts, the one who dwells on the mountain of Zion. ¹⁹ Now if they tell you, "Consult the ghosts and the spirits, those who chirp and those who mutter. Should not a people consult its gods, the dead on behalf of the living, ²⁰ for teaching and for testimony?" {surely they [who] speak like this have no dawn}.