कर्मण्येवाधिकारस्ते मा फलेषु कदाचन।
मा कर्मफलहेतुर्भूर्मा ते सङ्गोऽस्त्वकर्मणि॥

Your right is for action alone, never for the results. Do not become the agent of the results of action. May you not have any inclination for inaction.
—Shrimad Bhagavad Gita, Chapter 2, Verse 47