ĀpDhS, 1, 12, 9.0 vidyāṃ praty anadhyāyaḥ śrūyate na karmayoge mantrāṇām //

ĀpDhS, 2, 3, 13.0 teṣāṃ mantrāṇām upayoge dvādaśāham adhaḥśayyā brahmacaryaṃ kṣāralavaṇavarjanaṃ ca //

ĀpDhS, 2, 17, 4.0 prayataḥ prasannamanāḥ sṛṣṭo bhojayed brāhmaṇān brahmavido yonigotramantrāntevāsyasaṃbandhān //