1 Kings 18:23-24

Let two bulls be given to us, and let them choose one bull for themselves and cut it in pieces and lay it on the wood, but put no fire to it. And I will prepare the other bull and lay it on the wood and put no fire to it. And you call upon the name of your god, and I will call upon the name of the LORD, and the God who answers by fire, he is God.” And all the people answered, “It is well spoken.”