9.21 After enjoying the spacious world of heaven, they return to the world of mortals when the meritorious Karma forming the cause of that experience is exhausted. Thus, lacking in the knowledge established in the Vedanta and desiring only the attainment of heaven etc., they who follow the teaching of the three Vedas on sacrificial rites, come and go. After enjoying the trifling and transient pleasures of heaven, they return to Samsara again and again.

But the great souls meditating on Me, who am incomparably dear to them, attain boundless and unsurpassed bliss and do not return to Samsara.

Sri Krsna desribes their distinguishing features: