The Life of Ballālasena 2.9.5

2.9.5

lokānāntu vivṛddhyarthaṃ mukhavāhūrupādataḥ /
brāhmaṇaṃ kṣatriyaṃ vaiśyaṃ śūdrañca niravarttayat //

For the propagation of the worlds, from his mouth, arms, thighs, and feet,
he brought forth the Brahmin, the Kṣatriya, the Vaiśya, and the Śūdra.