17 Therefore I hated life because the work that was done under the sun was distressing to me, for all is vanity and grasping for the wind. 18 Then I hated all my labor in which I had toiled under the sun, because I must leave it to the man who will come after me. 19 And who knows whether he will be wise or a fool? Yet he will rule over all my labor in which I toiled and in which I have shown myself wise under the sun. This also is vanity. 20 Therefore I turned my heart and despaired of all the labor in which I had toiled under the sun. 21 For there is a man whose labor is with wisdom, knowledge, and skill; yet he must leave his heritage to a man who has not labored for it. This also is vanity and a great evil. 22 For what has man for all his labor, and for the striving of his heart with which he has toiled under the sun? 23 For all his days are sorrowful, and his work burdensome; even in the night his heart takes no rest. This also is vanity.
Matthew Henry's Commentary on Ecclesiastes 2:17-23
Commentary on Ecclesiastes 2:12-17
(Read Ecclesiastes 2:12-17)
Solomon found that knowledge and prudence were preferable to ignorance and folly, though human wisdom and knowledge will not make a man happy. The most learned of men, who dies a stranger to Christ Jesus, will perish equally with the most ignorant; and what good can commendations on earth do to the body in the grave, or the soul in hell? And the spirits of just men made perfect cannot want them. So that if this were all, we might be led to hate our life, as it is all vanity and vexation of spirit.
Commentary on Ecclesiastes 2:18-26
(Read Ecclesiastes 2:18-26)
Our hearts are very loth to quit their expectations of great things from the creature; but Solomon came to this at length. The world is a vale of tears, even to those that have much of it. See what fools they are, who make themselves drudges to the world, which affords a man nothing better than subsistence for the body. And the utmost he can attain in this respect is to allow himself a sober, cheerful use thereof, according to his rank and condition. But we must enjoy good in our labour; we must use those things to make us diligent and cheerful in worldly business. And this is the gift of God. Riches are a blessing or a curse to a man, according as he has, or has not, a heart to make a good use of them. To those that are accepted of the Lord, he gives joy and satisfaction in the knowledge and love of him. But to the sinner he allots labour, sorrow, vanity, and vexation, in seeking a worldly portion, which yet afterwards comes into better hands. Let the sinner seriously consider his latter end. To seek a lasting portion in the love of Christ and the blessings it bestows, is the only way to true and satisfying enjoyment even of this present world.