Esias 6:5

5 And I said, Woe is me, for I am pricked to the heart; for being a man, and having unclean lips, I dwell in the midst of a people having unclean lips; and I have seen with mine eyes the King, the Lord of hosts.

Esias 6:5 In-Context

3 And one cried to the other, and they said, Holy, holy, holy Lord of hosts: the whole earth is full of his glory.
4 And the lintel shook at the voice they uttered, and the house was filled with smoke.
5 And I said, Woe is me, for I am pricked to the heart; for being a man, and having unclean lips, I dwell in the midst of a people having unclean lips; and I have seen with mine eyes the King, the Lord of hosts.
6 And there was sent to me one of the seraphs, and he had in his hand a coal, which he had taken off the altar with the tongs:
7 and he touched my mouth, and said, Behold, this has touched thy lips, and will take away thine iniquities, and will purge off thy sins.

The Brenton translation of the Septuagint is in the public domain.