20:3 I have heard {a} the check of my reproach, and the spirit of my understanding causeth me to answer.

(a) He declares that two things moved him to speak: that is, because Job seemed to touch him, and because he thought he had knowledge sufficient to confute him.

20:3 The check - Thy opprobrious reproofs of us. Understanding - I speak, not from passion, but certain knowledge.

20:1-9 Zophar's discourse is upon the certain misery of the wicked. The triumph of the wicked and the joy of the hypocrite are fleeting. The pleasures and gains of sin bring disease and pain; they end in remorse, anguish, and ruin. Dissembled piety is double iniquity, and the ruin that attends it will be accordingly.