Bhagavad Gita 3.30
मयि सर्वाणि कर्माणि संन्यस्याध्यात्मचेतसा।
निराशीर्निर्ममो भूत्वा युध्यस्व विगतज्वरः।।3.30।।
Mayi sarvani karmani sannyasyadhyatmachetasa
Nirashirnirmamo bhutva yudhyasva vigatajvarah
Simple meaning, written by AISurrender all actions to Me, with your mind fixed on the self, free from desire and from the sense of “mine.” Free from fever, fight.