मुक्तसङ्गोऽनहंवादी धृत्युत्साहसमन्वितः । सिद्ध्यसिद्ध्योर्निर्विकारः कर्ता सात्त्विक उच्यते ॥ १८-२६॥ muktasaṅgo’nahaṃvādī dhṛtyutsāhasamanvitaḥ siddhyasiddhyornirvikāraḥ kartā sāttvika ucyate An agent who is free from attachment non-egoistic endowed with firmness and enthusiasm and unaffected by success or failure is called SATTVIC (pure) . muktasaṅgaḥ = liberated from all material association; anahaṃvādi = without false ego; dhṛti = with determination; utsāha = and great enthusiasm; samanvitaḥ = qualified; siddhi = in perfection; asiddhyoḥ = and failure; nirvikāraḥ = without change; kartā = worker; sāttvikaḥ = in the mode of goodness; ucyate = is said to be.;