Bhagavatapurana 2.7.6

2.7.6

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dharmasya dakṣaduhitaryajaniṣṭa mūrtyāṃ $ nārāyaṇo nara iti svatapaḥprabhāvaḥ &
dharmasya dakṣaduhitaryajaniṣṭa mūrtyāṃ $ nārāyaṇo nara iti svatapaḥprabhāvaḥ &
dṛṣṭvātmano bhagavato niyamāvalopaṃ % devyastvanaṅgapṛtanā ghaṭituṃ na śekuḥ //

6. He was born as Nara and Narayana of Murthi, the daughter of Daksha and the wife of Dharma—in this Avatara

He was especially distinguished for His Powerful Tapas; on beholding Urvasi and other superior beauties (their likes) created by Him, the Apsaras damsels, the army of Cupid, could not bring about the interruption of (succeed in interrupting) the Lord's austerities, (whereas they saw their own power to interrupt nullified).