Shatapatha Brahmana 11.5.7.9

11.5.7.9

kṣīraudanamāṃsaudanābhyāṃ ha vā eṣa devāṃstarpayati ya evaṃ vidvānvākovākyamitihāsapurāṇamityaharahaḥ svādhyāyamadhīte ta enaṃ tṛptā

And he who, knowing this, studies day by day the dialogue, the traditional myths and legends, for his lesson, satisfies the gods by messes of milk and meat; and, being satisfied, they satisfy him by every object of desire, by every kind of enjoyment.