NET
20 For he does not think much about the fleeting days of his life because God keeps him preoccupied with the joy he derives from his activity.
Darby
20 For he will not much remember the days of his life, because God answereth [him] with the joy of his heart.
KJV
20 For he shall not much remember the days of his life; because God answereth [him] in the joy of his heart.