REPENT Job 42:6

"Therefore I despise myself and repent in dust and ashes."

Therefore I despise myself 
Job 40:4  "I am unworthy--how can I reply to you? I put my hand over my mouth."
Ezekiel 6:9  " 'Then in the nations where they have been carried captive, those who escape will remember me--how I have been grieved by their adulterous hearts, which have turned away from me, and by their eyes, which have lusted after their idols. They will loathe themselves for the evil they have done and for all their detestable practices.' "
Romans 12:3  For by the grace given me I say to every one of you: Do not think of yourself more highly than you ought, but rather think of yourself with sober judgement, in accordance with the faith God has distributed to each of you.

and repent 
Job 34:33  "Should God then reward you on your terms, when you refuse to repent? You must decide, not I; so tell me what you know."

in dust and ashes 
Exodus 10:3  So Moses and Aaron went to Pharaoh and said to him, "This is what the LORD, the God of the Hebrews, says: 'How long will you refuse to humble yourself before me? Let my people go, so that they may worship me."
Ezra 9:5-6  Then, at the evening sacrifice, I rose from my self-abasement, with my tunic and cloak torn, and fell on my knees with my hands spread out to the LORD my God and prayed: "I am too ashamed and disgraced, my God, to lift up my face to you, because our sins are higher than our heads and our guilt has reached to the heavens."
Job 2:7-8  So Satan went out from the presence of the LORD and afflicted Job with painful sores from the soles of his feet to the crown of his head. Then Job took a piece of broken pottery and scraped himself with it as he sat among the ashes.
Job 6:28-30  (Job speaking to his friends) "But now be so kind as to look at me. Would I lie to your face? Relent, do not be unjust; reconsider, for my integrity is at stake. Is there any wickedness on my lips? Can my mouth not discern malice?"
Job 30:19  "He throws me into the mud, and I am reduced to dust and ashes."

(parentheses are mine)

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
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