1 Kings 18:21

18:21 Elijah approached all the people and said, “How long are you going to be paralyzed by indecision? If the Lord is the true God, then follow him, but if Baal is, follow him!” But the people did not say a word.

1 Kings 18:36-37

18:36 When it was time for the evening offering, Elijah the prophet approached the altar and prayed: “O Lord God of Abraham, Isaac, and Israel, prove today that you are God in Israel and that I am your servant and have done all these things at your command. 18:37 Answer me, O Lord, answer me, so these people will know that you, O Lord, are the true God and that you are winning back their allegiance.”