Isaiah 6:5-7 NIV

5 “Woe to me!” I cried. “I am ruined! For I am a man of unclean lips, and I live among a people of unclean lips, and my eyes have seen the King, the LORD Almighty.”

References for Isaiah 6:5

6 Then one of the seraphim flew to me with a live coal in his hand, which he had taken with tongs from the altar.

References for Isaiah 6:6

7 With it he touched my mouth and said, “See, this has touched your lips; your guilt is taken away and your sin atoned for.”

References for Isaiah 6:7