2 Chronicles 26:18-19

18They confronted King Uzziah and said, “It is not right for you, Uzziah, to burn incense to the Lord. That is for the priests, the descendants of Aaron, who have been consecrated to burn incense. Leave the sanctuary, for you have been unfaithful; and you will not be honored by the Lord God.” 19Uzziah, who had a censer in his hand ready to burn incense, became angry. While he was raging at the priests in their presence before the incense altar in the Lord’s temple, leprosy broke out on his forehead.