Kauṣītaki Upaniṣad 2.15.1

2.15.1

cchādya ācchādya pitaraṃ pratyāha, svargān lokānniratiśayaprītijanakān deśaviśeṣān kāmān kamanīyān tatrasthitān vā bhogānāpnuhi prāpnuhi, ityanena prakāreṇa brūyādityanuṣaṅgaḥ | evaṃ putreṇa kṛte sa pitā yadi kathañcidagadaḥ syānnīrogo bhavetputrasya tanayasyaiśvarye vibhave pitā janako vaset nivāsaṃ kuryātpravāsivat gṛhakāryaṃ kimapi nānusandadhyādityarthaḥ | pari vā brajet vāśabdaḥ pakṣāntarārthaḥ, yadi vairāgyaṃ tadā parityajet sarvasaṅkaparityāgaṃ kuryādityarthaḥ | yadyu vai api kathañcitprasiddhaṃ preyātparalokaṃ gacchedadyeva prasiddhameva vāgādikaṃ na labhyadetaṃ putraṃ prati samāpayati samyak prāpayati, tathā tadvadeva samāpayitavyo bhavati samyak prāpaṇīyo bhavati sarvaiḥ kāmairiti śeṣaḥ | tathā samāpayitavyo bhavati vyākhyātaṃ | vākyābhyāso'dhyāyaparisamāptyarthaḥ | iti śrīśaṅkarānandabhagavataḥ kṛtau kauṣītakibrāhmaṇopaniṣadvīpikāyāṃ dvitīyo'dhyāyaḥ samāptaḥ || ||