maitrī-karuṇā-mudita-upekṣāṇāṁsukha-duḥkha-puṇya-apuṇya-viṣayāṇāṁbhāvanātaścitta-prasādanam To preserve the innate serenity of the mind, a yogin should be happy for those who are happy, be compassionate toward those who are unhappy, be delighted for those who are virtuous, and be indifferent toward the wicked. Yoga Sutras of Patanjali I.33

maitrī-karuṇā-mudita-upekṣāṇāṁsukha-duḥkha-puṇya-apuṇya-viṣayāṇāṁbhāvanātaścitta-prasādanam

To preserve the innate serenity of the mind, a yogin should be happy for those who are happy, be compassionate toward those who are unhappy, be delighted for those who are virtuous, and be indifferent toward the wicked.

Yoga Sutras of Patanjali I.33