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.
8
And I heard the voice of the Lord, saying, Whom shall I send, and who will go to this people? And I said, behold, I am , send me. And he said, Go, and say to this people,
9
Ye shall hear indeed, but ye shall not understand; and ye shall see indeed, but ye shall not perceive.
The Brenton translation of the Septuagint is in the public domain.