श्लोक 3.30

मयि सर्वाणि कर्माणि संन्यस्याध्यात्मचेतसा। निराशीर्निर्ममो भूत्वा युध्यस्व विगतज्वरः॥

mayi sarvāṇi karmāṇi sannyasyādhyātma-cetasā, nirāśīr nirmamo bhūtvā yudhyasva vigata-jvaraḥ.

Meaning

Do your work with love and honesty. Do not be greedy for rewards. A calm heart makes your actions pure.