Mahabharata 5.178.38

सोऽहं जातो महाबाहो भीष्मः परपुरंजयःव्यपनेष्यामि ते दर्पं युद्धे राम न संशयः

so'haṃ jāto mahābāho bhīṣmaḥ parapuraṃjayaḥvyapaneṣyāmi te darpaṃ yuddhe rāma na saṃśayaḥ

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