Laid it — So as only to touch my lips, and not to burn them; which God could easily effect. Lo — This is a sign that I have pardoned and purged the uncleanness of thy lips.
Related Commentaries of Isaiah 6:7
Isaiah 6:7
7 And he laid it upon my mouth, and said, Lo, this hath touched thy lips; and thine iniquity is taken away, and thy sin purged.