said:

"See, this has touched thy lips,
Therefore thine iniquity is gone
And thy sin forgiven."

Then Isaiah heard the voice of God Himself, saying:

"Whom shall I send,
And who will go for us?"

Falling to his knees, and again stretching out his hands towards the
throne, Isaiah answered:

"Here am I!
Send me!"

Kneeling there, motionless, hardly breathing, his lips apart, his face
expressing the fear and anguish that were in his heart, Isaiah heard
the reply:

"Go and say to this people:
Hear and hear again, but understand not;
See and see again, but perceive not.
Make fat the heart of this people,
And their ears dull, and besmear their eyes,
Lest they see with their eyes and hear with their ears
And their heart should understand and they be healed."

The force of this message struck Isaiah to the heart. He understood