अफलाकाङ्क्षिभिर्यज्ञो विधिदृष्टो य इज्यते।
यष्टव्यमेवेति मनः समाधाय स सात्त्विकः।।17.11।।
17.11 That sacrifice which is offered by men without desire for reward as enjoined by the ordinance (scripture), with a firm faith that to do so is a duty, is Sattvic or pure.
17.11 Sah, that; yajnah, sacrifice; vidhi-drstah, which is in accordance with the injunctions, which is known through scriptural unjunctions; (and) yah, which; is ijyate, performed; a-phala-akanksibhih, by persons who do not hanker after results; manah samadhaya, with the mental conviction; iti, that; yastavyam, eva, it is surely obligatory, their duty is to accomplish the sacrifice just as it should be-with the firm idea, I have no human goal to achieve through this-; is said to be a sacrifice which is sattvikah, done through sattva.
Aphalaakaangkshibhiryajno vidhidrishto ya ijyate; Yashtavyameveti manah samaadhaaya sa saattwikah.
aphala-ākāṅkṣhibhiḥ—without expectation of any reward; yajñaḥ—sacrifice; vidhi-driṣhṭaḥ—that is in accordance with the scriptural injunctions; yaḥ—which; ijyate—is performed; yaṣhṭavyam-eva-iti—ought to be offered; manaḥ—mind; samādhāya—with conviction; saḥ—that; sāttvikaḥ—of the nature of goodness
