Bible Notes Online - Job 21 - ESV
Commentary

v1-3: Job, like his friends, makes an introductory comment (compare 18.2-4; 19.2-6; 20.2-4). He asks for silence once more. He perhaps treats Zophar's words as a rude interruption.

v4-6: Job is addressing his words to God, for man has no answer. These are deep issues, and affects him seriously, "I am terrified; trembling seizes my body", not because of the physical suffering, but because of what he was thinking about.

v7-15: Job's response blatantly contradicts his friends' opinions, especially Zophar's words in chapter 20. The wicked, even though they reject God's involvement in their lives, do prosper in this life. These words are truer to our experience than his friends' words.

v16: Job's personal commitment. He stands apart from the human wisdom that would reject God's ways, and seek prosperity solely by human aims and strength.

v17-21: Job's observation is that the wicked do not have their lives snuffed out in their prime of life. They miss out on calamity, they are not judged like straw in the wind. The common proverb is true, "God stores up a man's punishment for his sons." Job finds this unjust, since the father avoids the due reward for his deeds, such that he becomes selfish, and fails to be concerned for his family.

v22-26: God's ways are beyond understanding. We do not know why things happen as they do. Death is certain, whatever precedes it; we all lie down "alike" in the dust. Job follows the writer of Ecclesiastes in commenting on the apparent unfairness of life.

v27-33: Job argues that his friends did not test their 'theology' by observation. Their words have to be true for the great man and the wicked, for those near and far. They have failed to explain why the wicked does not have a day of wrath in this life.

v34: Since Job's friends had omitted words of eternity, they brought only empty words.