You can hear the voice of Satan in the accusations of Job’s friends. Some of what they say is true concerning unbelievers, but as we consider the context and consider the fact that Job is a child of God, their words are unwarranted.
The cruel religious system of Job’s friends continues to show itself in Zophar’s speech. The doctrine of the incomprehensibility of God ought to be a comfort for the believer. But Zophar’s speech would lead Job into further despair.