Example Sentences:

Ramayana:  When the delicate Sita put on a dress made of tree-bark, everyone in the Ayodhya assembly lamented; Kaikeyi alone experienced schadenfreude. 

Mahabharata:  During the gambling match, Dhritarashtra’s mask of neutrality fell off; he didn’t even try to conceal his schadenfreude as the Pandavas lost one round after another.

Bhagavad-gita:  Demoniac people relish schadenfreude because they often see the world as a zero-sum place, wherein others’ misfortune translates into their fortune.