Śrīmad-Bhāgavatam 1.3.9
SB 1.3.9
Open the full passageSanskrit
turye dharma-kalā-sarge nara-nārāyaṇāv ṛṣī bhūtvātmopaśamopetam akarod duścaraṁ tapaḥ
Translation
In the fourth incarnation, the Lord became Nara and Nārāyaṇa, the twin sons of the wife of King Dharma. Thus He undertook severe and exemplary penances to control the senses.