Kautilya's Arthashastra 1.6.9

1.6.9

madād dambhodbhavo bhūtāvamānī, haihayaś cārjunaḥ //

Rávana unwilling under the influence of vanity to restore a stranger's wife, as well as Duryodhana to part with a portion of his kingdom; Dambhodbhava as well as Arjuna of Haihaya dynasty being so haughty as to despise all people;