tatah-therefore; yateta-should endeavor; kusalah-an intelligent man interested in the ultimate goal of life; ksemaya-for the real benefit of life, or for liberation from material bondage; bhavam asritah-who is in material existence; sariram-the body; paurusam-human; yavat-as long as; na-not; vipadyeta-fails; puskalam-stout and strong.