O chastiser of foes, the duties of Brahmanas, Kshatriyas, Vaishyas, and Shudras are each distinguished by these three qualities, born of nature.
ब्राह्मणक्षत्रियविशां शूद्राणां च परंतप। कर्माणि प्रविभक्तानि स्वभावप्रभवैर्गुणैः॥