MKJV(i)
20 And I turned to cause my heart to despair over all the labor which I did under the sun.
21 When there is a man whose labor is in wisdom, and in knowledge, and with success; yet to a man who has not labored in it, he shall leave it for his share. This also is vanity and a great evil.
22 For what has man from all his labor, and from the troubling of his heart, in which he has labored under the sun?
23 For all his days are sorrows, and his labor sadness; yea, his heart does not take rest in the night. This is also vanity.