Mahabharata 5.48.19

नरनारायणौ देवौ पूर्वदेवाविति श्रुतिःअजेयौ मानुषे लोके सेन्द्रैरपि सुरासुरैः

naranārāyaṇau devau pūrvadevāviti śrutiḥajeyau mānuṣe loke sendrairapi surāsuraiḥ

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