Commentaries:
Barnes' Notes
What profit ... - The question often repeated is the great practical inquiry of the book; it receives its final answer in Ecclesiastes 12:13-14. When this question was asked, the Lord had not yet spoken Matthew 11:28. The word "profit" (or pre-eminence) is opposed to "vanity."
Hath a man - Rather, hath man.
Other Barnes' Notes entries containing Ecclesiastes 1:3:
Ecclesiastes 2:3
Ecclesiastes 2:10
Ecclesiastes 6:7-9
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