Mahabharata 12.332.25

जजाप विधिवन्मन्त्रान्नारायणगतान्बहून्दिव्यं वर्षसहस्रं हि नरनारायणाश्रमे

jajāpa vidhivanmantrānnārāyaṇagatānbahūndivyaṃ varṣasahasraṃ hi naranārāyaṇāśrame

Our plain-language meaning of this verse is waiting for scholar review.