Eliphaz, Bildad, and Zophar agree in the opinion that Job has done evil and is suffering for it.
Zophar rises to eloquence in declaring the unsearchableness of Divine wisdom.
Do not be "a man full of talk," as Zophar cuttingly puts it.
Zophar either does not appear at all, or maintains his former position with no new argument.
Zophar had charged Job with similar crimes, and no direct reply was given to the accusation.