Also I heard the voice of the Lord, saying: "Whom shall I send, And who will go for Us?" Then I said, "Here am I! Send me."
Isaiah 6:8
Surrounding context
6:7 And he touched my mouth with it, and said: "Behold, this has touched your lips; Your iniquity is taken away, And your sin purged."
6:8 Also I heard the voice of the Lord, saying: "Whom shall I send, And who will go for Us?" Then I said, "Here am I! Send me."
6:9 And He said, "Go, and tell this people: "Keep on hearing, but do not understand; Keep on seeing, but do not perceive.'