As for you, you whitewash with lies; worthless physicians are you all.
Job here warmly expresses his resentment of the unkindness of his friends. I. He comes up with them as one that understood the matter in dispute as well as they, and did not need to be taught by them, Job 13:1, Job 13:2. They compelled him, as the Corinthians did Paul, to commend himself and his own knowledge, yet not in a way of self-applause, but of self-justification.
Commenting on Job 13:1-12
But ye are forgers of lies,.... This is a hard and very harsh saying; Job was now in a passion, provoked by his friends, and retorts upon them what they had charged him with, Job 11:3; so often in controversies and disputes between good men undue heats arise, and unbecoming words drop from their lips and pens; to tell lies is a bad thing, but...
forgers of lies--literally, "artful twisters of vain speeches" [UMBREIT].