Isaiah 6:1-8
1 In the year that King Uzziah died, I saw the Lord seated on a high and lofty throne, and the hem of his robe filled the temple. 2 Seraphim were standing above him; they each had six wings: with two they covered their faces, with two they covered their feet, and with two they flew. 3 And one called to another: Holy, holy, holy is the Lord of Armies; his glory fills the whole earth. 4 The foundations of the doorways shook at the sound of their voices, and the temple was filled with smoke. 5 Then I said: Woe is me for I am ruined because I am a man of unclean lips and live among a people of unclean lips, and because my eyes have seen the King, the Lord of Armies.
6 Then one of the seraphim flew to me, and in his hand was a glowing coal that he had taken from the altar with tongs. 7 He touched my mouth with it and said:
Now that this has touched your lips,
your iniquity is removed
and your sin is atoned for.
8 Then I heard the voice of the Lord asking:
Who will I send?
Who will go for us?
I said:
Here I am. Send me.