Mahabharata 3.187.4

अहं नारायणो नाम प्रभवः शाश्वतोऽव्ययःविधाता सर्वभूतानां संहर्ता च द्विजोत्तम

ahaṃ nārāyaṇo nāma prabhavaḥ śāśvato'vyayaḥvidhātā sarvabhūtānāṃ saṃhartā ca dvijottama

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