Isaiah 6:5-8

Then I cried out, “I'm doomed! Everything I say is sinful, and so are the words of everyone around me. Yet I have seen the King, the LORD All-Powerful.” One of the flaming creatures flew over to me with a burning coal that it had taken from the altar with a pair of metal tongs. It touched my lips with the hot coal and said, “This has touched your lips. Your sins are forgiven, and you are no longer guilty.” After this, I heard the LORD ask, “Is there anyone I can send? Will someone speak for us?” “I'll go,” I answered. “Send me!”