Chapter 2 · verse 56 · gita.yoga.org

Bhagavad Gita 2.56

दुःखेष्वनुद्विग्नमनाः सुखेषु विगतस्पृहः। वीतरागभयक्रोधः स्थितधीर्मुनिरुच्यते

He whose mind is not shaken by adversity, who does not long for pleasures, and is free from attachment, fear, and anger, is called a sage of steady wisdom.