Adhyāya 17 • Shloka 11

अफलाकाङ्क्षिभिर्यज्ञो विधिदृष्टो य इज्यते | यष्टव्यमेवेति मनः समाधाय स सात्त्विकः || ११ ||

aphalākāṅkṣibhir yajño vidhi-dṛṣṭo ya ijyate | yaṣṭavyam eveti manaḥ samādhāya sa sāttvikaḥ || 11 ||

"Of sacrifices, the sacrifice performed according to the directions of scripture, as a matter of duty, by those who desire no reward, is of the nature of goodness."