Chapter 18 · Liberation through Renunciation · Krishna said
Bhagavad Gita 18.23 — Sattvic action
नियतं सङ्गरहितमरागद्वेषतः कृतम्। अफलप्रेप्सुना कर्म यत्तत्सात्त्विकमुच्यते ॥
niyataṃ saṅgarahitamarāgadveṣataḥ kṛtam | aphalaprepsunā karma yattatsāttvikamucyate ||
Meaning
Action that is proper, done without attachment, without likes and dislikes, by one who does not seek its fruit, is called sattvic.