When a prescribed action is performed simply because it ought to be done, Arjuna, giving up attachment and also the fruit — that relinquishment is regarded as sattvic.
कार्यमित्येव यत्कर्म नियतं क्रियतेऽर्जुन | सङ्गं त्यक्त्वा फलं चैव स त्यागः सात्त्विको मतः ||१८-९||