Isaiah 6:5-8

6:5 I said, “Too bad for me! I am destroyed, for my lips are contaminated by sin, and I live among people whose lips are contaminated by sin. My eyes have seen the king, the Lord who commands armies.” 6:6 But then one of the seraphs flew toward me. In his hand was a hot coal he had taken from the altar with tongs. 6:7 He touched my mouth with it and said, “Look, this coal has touched your lips. Your evil is removed; your sin is forgiven.” 6:8 I heard the voice of the sovereign master say, “Whom will I send? Who will go on our behalf?” I answered, “Here I am, send me!”