Mahabharata 3.286.1
कर्ण उवाच · karṇa uvāca
भगवन्तमहं भक्तो यथा मां वेत्थ गोपतेतथा परमतिग्मांशो नान्यं देवं कथंचन
bhagavantamahaṃ bhakto yathā māṃ vettha gopatetathā paramatigmāṃśo nānyaṃ devaṃ kathaṃcana
Our plain-language meaning of this verse is waiting for scholar review.