योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-37, verse-57

मिथः सारस्वता नीत्वा आदिनान्तं कृताजयः ।
पण्डिता इव वादेषु नोद्विग्ना न पराजिताः ॥ ५७ ॥

mithaḥ sārasvatā nītvā ādināntaṃ kṛtājayaḥ ,
paṇḍitā iva vādeṣu nodvignā na parājitāḥ 57

57. The Saraswatas fought on both sides with one another until it was evening, and yet no party was the looser or gainer, as in a learned discussion between pandits and among lawyers.