2 Kings 5:15-17

15Then Naaman and all his attendants went back to the man of God. He stood before him and said, “Now I know that there is no God in all the world except in Israel. So please accept a gift from your servant.”

16The prophet answered, “As surely as the LORD lives, whom I serve, I will not accept a thing.” And even though Naaman urged him, he refused. 17“If you will not,” said Naaman, “please let me, your servant, be given as much earth as a pair of mules can carry, for your servant will never again make burnt offerings and sacrifices to any other god but the LORD .