Smrititattva 1.p2.25

1.p2.25

“ekādaśī yadā tu syāt śravaṇena samanvitā| vijayā sā
tadā proktā bhaktānāṃ vijayapradā| tithinakṣatrasaṃyoge upavāso
yadā bhavet| tāvadeva na bhoktavyaṃ yāvannaikasya saṃkṣayaḥ| viśeṣeṇa mahīpāla śravaṇaṃ varddhate yadi| tithicayeṇa bhoktavyaṃ dvādaśīṃ
naiva laṅghayet”| tithicayeṇa ekādaśīkṣayeṇa bhoktavyaṃ
dvādaśyāṃ pārayedityarthaḥ| atra hetuḥ dvādaśīmityādiḥ
yadātvekādaśyupavāsadine śravaṇaṃ nāsti paradine
dvādaśyāṃ tat tadopavāsadvayamāha brahmavaivarttaḥ| “ekādaśīmupoṣyaiva dvādaśīṃ samupoṣayet| nacātra vidhilopaḥ syādubhayordevatā hariḥ”|| atra ca “asamāpte vrate pūrve
naiva kuryyāt vratāntaram”|| iti smṛteḥ pāraṇasyākaraṇena
pūrvoyavāsāsamāptāvupavāsāntarārambhe vidhilopo na bhavedityarthaḥ| hetumāha ubhayorityādiḥ| ubhayopavāsāsāmarthye tu
śravaṇadvādaśyevopoṣyā tathā ca smṛtiḥ| “varamekādaśīṃ bhuktvā
dvādaśīṃ samupoṣayet| pūrvopavāsajaṃ puṇyaṃ sarvvaṃ prāpnotyasaṃśayaḥ”| tathā “upoṣyā dvādaśīṃ puṇyāṃ viṣṇvṛkṣeṇa saṃyutām
ekādaśyudbhavaṃ puṇyaṃ naraḥ prāpnotya saṃśayaḥ”|| dvādaśyupavāsaḥ
kāmyaḥ| tathāca mārkaṇḍeḥ| “dvādaśyāmupavāsena siddhātmā
nṛpa! sarvvaśaḥ| cakravarttitvamatulaṃ saṃprānpotyatulāṃ śriyam”
atra kālikāpurāṇāt śakrotthānavidhilikhyate| “athātaḥ
śṛṇu rājendra! śakrotthānadhvajotsavam| yatkṛtvā nṛpatiryāti no
kadācitparābhavam| arjuno'pyaśvakarṇaśca priyakaudhava eva ca