Yeshayah 6:4-6

Orthodox Jewish Bible

⁴ And the doorposts shook at the voice of him that cried, and the Beis [Hamikdash] was filled with smoke.

⁵ Then said I, Oy (Woe) is me! For I am undone; because I am a man of unclean lips, and I dwell in the midst of a people of unclean lips; for mine eyes have seen HaMelech, Hashem Tzva’os.

⁶ Then flew one of the seraphim unto me, having a live coal in his yad, which he had taken with the tongs from off the Mizbe’ach: