Chapter 2 · verse 57 · gita.yoga.org

Bhagavad Gita 2.57

यः सर्वत्रानभिस्नेहस्तत्तत्प्राप्य शुभाशुभम्। नाभिनन्दति न द्वेष्टि तस्य प्रज्ञा प्रतिष्ठिता

He who is everywhere without attachment, upon encountering anything good or bad, neither rejoices nor hastens; his wisdom is firm.