Isaiah 6:5-6
Isaiah 6:5-6 AMP
Then I said, “Woe is me! For I am ruined, Because I am a man of [ceremonially] unclean lips, And I live among a people of unclean lips; For my eyes have seen the King, the LORD of hosts.” Then one of the seraphim flew to me with a burning coal in his hand, which he had taken from the altar with tongs.