Manava Dharmashastra 1.102

Manvarthamuktāvalī 1.102

brāhmaṇasya karmajñānārthaṃ śeṣāṇāṃ kṣatriyādīnāṃ ca svāyaṃbhuvo brahmaputro dhīmānsarvaviṣayajñānavānmanuridaṃ śāstraṃ viracitavān|