नियतं सङ्गरहितमरागद्वेषत: कृतम् |
अफलप्रेप्सुना कर्म यतत्सात्त्विकमुच्यते || 23||

niyataṁ saṅga-rahitam arāga-dveṣhataḥ kṛitam aphala-prepsunā karma yat tat sāttvikam uchyate

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Meaning: Action that is free from attachment and aversion, and which is done without desire for rewards, is in the mode of goodness of others is the right action.

BHAGVAD GITA 18:23