The Great Epic of the Bhārata dynasty 6.42.5

6.42.5

sūcīkaṭāhanyāyena tyāgasvarūpakathanātprāk paramatamatyāgapakṣam upanyasyati -- yajñeti | yajñādikaṃ karma na tyājyaṃ kintu kāryameva viṣṭigṛhīteneva puṃsā avaśyamanuṣṭheyameva tat | akaraṇe pratyavāyaśravaṇāt | cakāro hetvarthaḥ | yasmādyajño dānaṃ tapaścaiva manīṣiṇāṃ niṣkāmānāṃ dambhādirahitānāṃ pāvanāni cittaśodhakāni | tathā ca śrutiḥ “trayo dharmaskandhā yajño'dhyayanaṃ dānamiti | prathamastapa eva dvitīyo brahmacaryācāryakulavāsī | tṛtīyaḥ sarva ete puṇyalokā bhavanti |” iti yajñādīnāṃ gṛhasthadharmāṇāṃ tapaso vanasthadharmasyācāryakulavāsasya brahmacāridharmasya ca pāvanatvaṃ darśayati | atrāpi yajñadānaśabdena gṛhasthadharmā jñeyāḥ, tapa iti vānaprasthadharmāḥ, pariśeṣātkarmeti brahmacāridharmāśca jñeyāḥ ||