Calmness, self-control, austerity, purity, patience, and uprightness, knowledge, wisdom, and faith in God — these make up the work of a brahmin, born of his own nature.
शमो दमस्तपः शौचं क्षान्तिरार्जवमेव च | ज्ञानं विज्ञानमास्तिक्यं ब्रह्मकर्म स्वभावजम् ||१८-४२||