Bhagwad Gita
Chapter 3, Verse 30
मयि सर्वाणि कर्माणि संन्यस्याध्यात्मचेतसा।
निराशीर्निर्ममो भूत्वा युध्यस्व विगतज्वरः।।3.30।।
Therefore, O Arjuna, surrendering all your works unto Me, with mind intent on Me, and without desire for gain and free from egoism and lethargy, fight.