Shatapatha Brahmana · Chapter 14.6.4

kahoḍabrāhmaṇaṃ vā nirguṇabrahmavidyābrāhmaṇam
atha hainaṃ kahoḍaḥ kauṣītakeyaḥ papraccha/ yājñavalkyeti hovāca yatsākṣādaparokṣādbrahma ya ātmā sarvāntarastaṃ me vyācakṣvetyeṣa ta ātmā sarvāntaraḥ katamo yājñavalkya sarvāntaro yo'śanāyāpipāse śokaṃ mohaṃ jarāmmṛtyumatyetyetaṃ vai tamātmānaṃ viditvā brāhmaṇāḥ putraiṣaṇāyāśca vittaiṣaṇāyāśca lokaiṣaṇāyāśca vyutthāyātha bhikṣācaryaṃ caranti yā hyeva putraiṣaṇā sā vittaiṣaṇā yā vittaiṣaṇā sā lokaiṣaṇobhe hyete eṣaṇe eva bhavatastasmātpaṇḍitaḥ pāṇḍityaṃ nirvidya bālyena tiṣṭhāsedbālyaṃ ca pāṇḍityaṃ ca nirvidyātha muniramaunaṃ ca maunaṃ ca nirvidyātha brāhmaṇaḥ sa brāhmaṇaḥ kena syādyena syāttenedṛśa eva bhavati ya evaṃ veda tato ha kahoḍaḥ kauṣītakeya upararāma - १४.६.४