2 Kings 5:14-17

14Then he went down, and plunged himself seven times in the Jordan, according to the saying of the man of 1God. And his flesh became again like the flesh of a little child, and he was clean.

15And he returned to the man of 2God, he and all his company, and came and stood before him; and he said, Behold, I know that there is no 3God in all the earth but in Israel; and now, I pray thee, take a present of thy servant.

16But he said, As Jehovah liveth, before whom I stand, I will receive none! And he urged him to take it; but he refused.

17And Naaman said, If not, then let there, I pray thee, be given to thy servant two mules' burden of [this] earth; for thy servant will no more offer burnt-offering and sacrifice to other 4gods, but to Jehovah.