शमो दमस्तपः शौचं क्षान्तिरार्जवमेव च।
ज्ञानं विज्ञानमास्तिक्यं ब्रह्मकर्म स्वभावजम्।।18.42।।
18.42 Serenity, 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.
18.42 Svabhavajam brahma-karma, the natural duties of the Brhamanas, of the Brahmana caste; are samah, control of the internal organs; damah, control of the external organs-these bear the meanings as explained earlier (see 6.3, 10.4, 16.1); tapah, austerity-bodily austerity, as explained before (17.14); saucam, purity, as already explained (in 13.7, 16.3); ksantih, forgiveness; arjavam, straightforwardness, simplicity; jnanam, knowledge; eva ca, as also vijnanam, wisdom; astikyam, faith, the idea of truth [Truth of the scritpures, existence of God, etc. In place of asti-bhavah Ast reads astika-bhavah, the feeling of conviction with regard to the existence of God and the other world. Tr.] respect for the teaching of the scriptures. By svabhavajam (natural) is conveyed the very same idea as was expressed in classified according to the gunas born from Nature (41).
Shamo damastapah shaucham kshaantiraarjavameva cha; Jnaanam vijnaanam aastikyam brahmakarma swabhaavajam.
śhamaḥ—tranquility; damaḥ—restraint; tapaḥ—austerity; śhaucham—purity; kṣhāntiḥ—patience; ārjavam—integrity; eva—certainly; cha—and; jñānam—knowledge; vijñānam—wisdom; āstikyam—belief in a hereafter; brahma—of the priestly class; karma—work; svabhāva-jam—born of one’s intrinsic qualities