Bhagavatapurana 5.18.7

5.18.7

hari-varṣe cāpi bhagavān nara-hari-rūpeṇāste tad-rūpa-grahaṇa-nimittam uttaratrābhidhāsye tad dayitaṃ rūpaṃ mahā-puruṣa-guṇa-bhājano mahā-bhāgavato daitya-dānava-kula-tīrthīkaraṇa-śīlā-caritaḥ prahlādo 'vyavadhānānanya-bhakti-yogena saha tad-varṣa-puruṣair upāste idaṃ codāharati //

7. And in Harivarsha, the Lord reveals Himself in the form of Nrisimha (half-human and half-lion). I shall later on relate the occasion for His assuming that form. That lovely form Prahlada worships and contemplates—Prahlada who is the one abode of all virtuous qualities of the great, who is the most devoted votary of the Lord, whose life and conduct are such as purify and exalt the race of Daityas and Danavas and who in an unequalled and uninterrupted course of devotion, along with the people of that Varsha, worships the Lord; and he ever utters this prayer:—