<Dl> <Dd> There is no entity on earth, or again in heaven among the Devas, that is devoid of these three Gunas, born of Prakriti . </Dd> <Dd> Of Brâhmanas and Kshatriyas and Vaishyas, as also of Sudras, O scorcher of foes, the duties are distributed according to the Gunas born of their own nature . </Dd> <Dd> The control of the mind and the senses, austerity, purity, forbearance, and also uprightness, knowledge, realisation, belief in a hereafter--these are the duties of the Brâhmanas, born of (their own) nature . </Dd> <Dd> Prowess, boldness, fortitude, dexterity, and also not flying from battle, generosity and sovereignty are the duties of the Kshatriyas, born of (their own) nature . </Dd> <Dd> Agriculture, cattle - rearing and trade are the duties of the Vaishyas, born of (their own) nature; and action consisting of service is the duty of the Sudras, born of (their own) nature . </Dd> </Dl> <Dd> There is no entity on earth, or again in heaven among the Devas, that is devoid of these three Gunas, born of Prakriti . </Dd> <Dd> Of Brâhmanas and Kshatriyas and Vaishyas, as also of Sudras, O scorcher of foes, the duties are distributed according to the Gunas born of their own nature . </Dd> <Dd> The control of the mind and the senses, austerity, purity, forbearance, and also uprightness, knowledge, realisation, belief in a hereafter--these are the duties of the Brâhmanas, born of (their own) nature . </Dd>

How many varnas are there in varna vyavastha