Mahabharata 6.64.12

तमब्रवीन्महाराज भीष्मः शांतनवः पुनःमाहात्म्यं ते श्रुतं राजन्केशवस्य महात्मनः

tamabravīnmahārāja bhīṣmaḥ śāṃtanavaḥ punaḥmāhātmyaṃ te śrutaṃ rājankeśavasya mahātmanaḥ

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