Is it fit to say to a king? — The argument is from the less to the greater. “Who could challenge a king or princes? and if not a king, how much less the King of kings?” There is a strong ellipse in the Hebrew, but yet one that is naturally supplied. (Comp. Psalms 137:5.)
Related Commentaries of Job 34:18
Job 34:18
18 Is it fit to say to a king, Thou art wicked? and to princes, Ye are ungodly?