15. And so, I praised rejoicing, because there was no good for a man under the sun, except to eat and drink, and to be cheerful, and because he may take nothing with him from his labor in the days of his life, which God has given to him under the sun.
16. And I applied my heart, so that I might know wisdom, and so that I might understand a disturbance that turns upon the earth: it is a man, who takes no sleep with his eyes, day and night.
17. And I understood that man is able to find no explanation for all those works of God which are done under the sun. And so, the more that he labors to seek, so much the less does he find. Yes, even if a wise man were to claim that he knows, he would not be able to discover it.