2 Kings 5:15-16

He then went back to the Holy Man, he and his entourage, stood before him, and said, “I now know beyond a shadow of a doubt that there is no God anywhere on earth other than the God of Israel. In gratitude let me give you a gift.” “As GOD lives,” Elisha replied, “the God whom I serve, I’ll take nothing from you.” Naaman tried his best to get him to take something, but he wouldn’t do it.