17:10-16 Job's friends had pretended to comfort him with the hope of his return to a prosperous estate; he here shows that those do not go wisely about the work of comforting the afflicted, who fetch their comforts from the possibility of recovery in this world. It is our wisdom to comfort ourselves, and others, in distress, with that which will not fail; the promise of God, his love and grace, and a well-grounded hope of eternal life. See how Job reconciles himself to the grave. Let this make believers willing to die; it is but going to bed; they are weary, and it is time that they were in their beds. Why should not they go willingly when their Father calls them? Let us remember our bodies are allied to corruption, the worm and the dust; and let us seek for that lively hope which shall be fulfilled, when the hope of the wicked shall be put out in darkness; that when our bodies are in the grave, our souls may enjoy the rest reserved for the people of God.

12. They—namely, "my friends."

change the night into day—that is, would try to persuade me of the change of my misery into joy, which is impossible [Umbreit] (Job 11:17); (but) the light of prosperity (could it be enjoyed) would be short because of the darkness of adversity. Or better for "short," the Hebrew "near"; "and the light of new prosperity should be near in the face of (before) the darkness of death"; that is, they would persuade me that light is near, even though darkness approaches.