Job 13:7 - Ellicott's Commentary On The Whole Bible

Will ye speak wickedly for God? — And now, in these verses, he gives utterance to a sublime truth, which shows how truly he had risen to the true conception of God, for he declares that He, who is no respecter of persons, desires to have no favour shown to Himself, and that in seeking to show favour they will greatly damage their own cause, for He is a God of truth, and by Him words as well as actions are weighed, and therefore nothing that is not true can stand any one in stead with Him.