Verse
न प्रहृष्येत्प्रियं प्राप्य नोद्विजेत्प्राप्य चाप्रियम् ।स्थिरबुद्धिरसंमूढो ब्रह्मविद् ब्रह्मणि स्थितः ॥
With intelligence stable, unbewildered, the knower of the Brahman, living in the Brahman, neither rejoices on obtaining what is pleasant, nor sorrows on obtaining what is unpleasant.
Gītā 5·20