Mahabharata 12.121.22

दण्डो हि भगवान्विष्णुर्यज्ञो नारायणः प्रभुःशश्वद्रूपं महद्बिभ्रन्महापुरुष उच्यते

daṇḍo hi bhagavānviṣṇuryajño nārāyaṇaḥ prabhuḥśaśvadrūpaṃ mahadbibhranmahāpuruṣa ucyate

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