In Context

2 Seraphim were standing above him: each had six wings; with twain he covered his face, and with twain he covered his feet, and with twain he flew.

3 And one called to the other and said, Holy, holy, holy is Jehovah of hosts; the whole earth is full of his glory!

4 And the foundations of the thresholds shook at the voice of him that cried, and the house was filled with smoke.

5 And I said, Woe unto me! for I am undone; for I am a man of unclean lips, and I dwell in the midst of a people of unclean lips: for mine eyes have seen the King, Jehovah of hosts.

6 And one of the seraphim flew unto me, and he had in his hand a glowing coal, which he had taken with the tongs from off the altar;

7 and he made it touch my mouth, and said, Behold, this hath touched thy lips; and thine iniquity is taken away, and thy sin expiated.

Isaiah 6:5 in Other Translations