Mahabharata 3.86.24

त्रैलोक्यं पुण्डरीकाक्षो देवदेवः सनातनःआस्ते हरिरचिन्त्यात्मा तत्रैव मधुसूदनः

trailokyaṃ puṇḍarīkākṣo devadevaḥ sanātanaḥāste hariracintyātmā tatraiva madhusūdanaḥ

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