Chapter 3 · verse 19 · gita.yoga.org

Bhagavad Gita 3.19

तस्मादसक्तः सततं कार्यं कर्म समाचर। असक्तो ह्याचरन्कर्म परमाप्नोति पूरुषः

Therefore, without attachment, always perform the actions that should be done; for by performing actions without attachment, one reaches the Supreme.