Bhagavad-gītā 18.9
BG 18.9
Open the full passageकार्यमित्येव यत्कर्म नियतं क्रियतेऽर्जुन । सङ्गं त्यक्त्वा फलं चैव स त्यागः सात्त्विको मतः ॥९॥
Sanskrit
kāryam ity eva yat karma niyataṁ kriyate 'rjuna saṅgaṁ tyaktvā phalaṁ caiva sa tyāgaḥ sāttviko mataḥ
Translation
O Arjuna, when one performs his prescribed duty only because it ought to be done, and renounces all material association and all attachment to the fruit, his renunciation is said to be in the mode of goodness.