That happiness is described as dark, which arises from sleep, laziness, heedlessness, which deludes the self, both at first and in its consequences. There is no entity either on earth or in heaven among the gods, which is free from these three qualities born of nature. The duties of Brahmanas, Kshatriyas, and Vaisyas, and of Sudras, too, O terror of your foes! are distinguished according to the qualities born of nature.