Mudgalapurana 3.27.9

3.27.9

mārkaṇḍeya uvāca |
naranārāyaṇau devau bhavadbhyāṃ pāvito'hyaham |
kathāṃ śrutvā na me tṛptirjāyate'mṛtapānavat ||

Mārkaṇḍeya said:
O gods Nara and Nārāyaṇa, I have indeed been purified by you two;
hearing the story, my satisfaction does not end, like drinking nectar.