18.34But that, O Arjuna, by which, on account of attachment and desire for reward, one holds fast to Dharma (duty), enjoyment of pleasures and earning of wealth that firmness, O Arjuna, is Rajasic (passionate).
18.42Serenity, self-restraint, austerity, purity, forgiveness and also uprightness, knowledge, realisation and belief in God are the duties of the Brahmanas, born of (their own) nature.