Douglas O'Donnell shows, in this redemptive-historical, biblical, practical, and expositional commentary, that Ecclesiastes answers two key questions that worry everybody in the depths of their minds. The first is "What does man gain from all the toil at which he toils under the sun?"--the answer being "nothing." The second follows: "In light of such vanity--the fact that our work and knowledge and pleasures and possessions are ultimately made futile...