The son is called upon to enter upon the labors of others, and reap where they have sown. To sleep when the plenteous harvest lies ready for the sickle is the most extreme laziness.
Related Commentaries of Proverbs 10:5
Proverbs 10:5
5 He that gathereth in summer is a wise son: but he that sleepeth in harvest is a son that causeth shame.