Skandapurana 16.19.93

16.19.93

jajñe punaḥpunarviṣṇuḥ karttuṃ dharmavyavasthitim..
dharmānnārāyaṇaḥ sādhyaḥ saṃbhūtaścākṣuṣeṃtare..93..

Viṣṇu was born again and again to establish the order of dharma. / From Dharma, Nārāyaṇa was born as a Sādhya in the Cākṣuṣa Manvantara;