dhrty-utsaha-samanvitah

siddhy-asiddhyor nirvikarah

karta sattvika ucyate

mukta-saṅgaḥ—liberated from all material association; anaham-vādī—without false ego; dhṛti-utsāha—with great enthusiasm; samanvitaḥ—qualified in that way; siddhi—perfection; asiddhyoḥ—failure; nirvikāraḥ—without change; kartā—worker; sāttvikaḥ—in the mode of goodness; ucyate—is said to be.

The worker who is free from all material attachments and false ego, who is enthusiastic and resolute and who is indifferent to success or failure, is a worker in the mode of goodness.