Verse
एतान्यपि तु कर्माणि संगं त्यक्त्वा फलानि च ।कर्तव्यानीति मे पार्थ निश्चितं मतमुत्तमम् ॥
etānyapi tu karmāṇi saṃgaṃ tyaktvā phalāni cakartavyānīti me pārtha niścitaṃ matamuttamam
Even these actions certainly ought to be done, O Partha, leaving aside attachment and fruit.
Gītā 18·6