Bhagavad Gita 18.23

नियतं सङ्गरहितमरागद्वेषतः कृतम्।अफलप्रेप्सुना कर्म यत्तत्सात्त्विकमुच्यते ॥१८.२३॥

niyataṃ saṅgarahitamarāgadveṣataḥ kṛtamaphalaprepsunā karma yattatsāttvikamucyate

An action that is ordained, free from attachment, done without love or hatred, and without desire for reward is declared to be Sattvic.

गीता