Isaiah 6:6

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

Isaiah 6:7

7 And he ^atouched my mouth with it and said, “Behold, this has touched your lips; and ^byour iniquity is taken away, and your sin is atoned for.”

19 as well as ^aon my behalf, that ¹words may be given to me ^bin the opening of my mouth, to make known with ^cboldness ^dthe mystery of the gospel—