Bhagavad-gītā 3.19
BG 3.19
Open the full passageतस्मादसक्तः सततं कार्यं कर्म समाचर । असक्तो ह्याचरन्कर्म परमाप्नोति पूरुषः ॥१९॥
Sanskrit
tasmād asaktaḥ satataṁ kāryaṁ karma samācara asakto hy ācaran karma param āpnoti pūruṣaḥ
Translation
Therefore, without being attached to the fruits of activities, one should act as a matter of duty, for by working without attachment one attains the Supreme.