Bhagavad Gita, Chapter 18, Verse 42

शमो दमस्तपः शौचं क्षान्तिरार्जवमेव च । ज्ञानं विज्ञानमास्तिक्यं ब्रह्मकर्म स्वभावजम्

śamo damastapaḥ śaucaṃ kṣāntirārjavameva ca | jñānaṃ vijñānamāstikyaṃ brahmakarma svabhāvajam

Translation

Serenity, self-restraint, austerity, purity, forgiveness, and also uprightness, knowledge, wisdom, faith — these are the duties of the Brāhmaṇas, born of nature.

— Alladi Mahadeva Sastri

Word meanings

śamaḥ
calm
damaḥ
self-control
tapaḥ
austerity
śaucam
purity
kṣāntiḥ
forgiveness
ārjavam
rectitude
eva
even
ca
and
jñānam
wisdom
vijñānam
knowledge
āstikyam
belief
brahmakarma
of the Brāhmaṇa, the action
svabhāvajam
own-nature-born

Śaṅkarācārya's commentary

'Serenity' and 'self-restraint' have already been explained (xvi.1,2). Austerity: physical austerity etc., mentioned above (xvii.14,15,16). Purity: already explained. Faith: in the teaching of the scriptures.