शमो दमस्तथाः शौचं क्षान्तिरार्जवमेव च ।
ज्ञानं विज्ञानमास्तिक्यं ब्राह्मं कर्म स्वभावजम् ॥
१८-४२ ॥
śamo damastathāḥ śaucaṃ kṣāntirārjavameva ca |
jñānaṃ vijñānamāstikyaṃ brāhmaṃ karma svabhāvajam ||
18-42 ||
Calm, restraint, austerity, purity, forbearance, uprightness, knowledge, discernment, and faith — these are the brāhmaṇa's duty, born of his nature.