Rasarnavasudhakara 1.136

1.136

asaṅgo' pi svabhāvena saktavac ceṣṭate muhuḥ |
tyāgī svabhāva-madhuraḥ sama-duḥkha-sukhaḥ śuciḥ ||

"Even though detached by nature, he repeatedly behaves like an attached lover; / generous, sweet-tempered by nature, equal in sorrow and joy, pure;