Sanskrit
कर्मण्येवाधिकारस्ते मा फलेषु कदाचन ।मा कर्मफलहेतुर्भूर्मा ते सङ्गोऽस्त्वकर्मणि ॥
Transliteration
karmaṇyevādhikāraste mā phaleṣu kadācana mā karmaphalaheturbhūrmā te saṅgo'stvakarmaṇi
Translation
Thy business is with the action only, never with its fruits; so let not the fruit of action be thy motive, nor be thou to inaction attached.