17. We have to live our lives in darkness and grief, worried, angry, and sick.
18. This is what I have found out: the best thing anyone can do is to eat and drink and enjoy what he has worked for during the short life that God has given him; this is man's fate.
19. If God gives a man wealth and property and lets him enjoy them, he should be grateful and enjoy what he has worked for. It is a gift from God.
20. Since God has allowed him to be happy, he will not worry too much about how short life is.