Freed from attachment, not speaking of "I" (anahaṃvādin), endowed with resolve (dhṛti) and enthusiasm (utsāha), Unchanged in success and failure, the agent (kartā) is called of goodness (sāttvika).
An agent called pure has no attachment or individualism, is resolute and energetic, unchanged in failure and success.
(26) The agent who, from attachment freed, steadfast and resolute, remains unchanged in failure and success and never speaks of ‘I’, is called [an agent] in Goodness' way.
18.26 [Ast. introduces this verse with 'Idanim kartrbhedah ucyate, Now is being stated the distinctions among the agents.'-Tr.] The agent who is free from attachment [Attachment to results or the idea of agentship.], not egotistic, endowed with fortitude and diligence, and unperturbed by success and failure is said to be possessed of sattva.
18.26 That agent is said to be Sāttvika who is free from attachment, who does not make much of himself, who is endued with steadiness and zeal and is untouched by success and failure.
18.26 An agent who is free from attachment, non-egoistic, endowed with firmness and enthusiasm, and unaffected by success or failure, is called Sattvic (pure).