Mahabharata 5.8.29

अहं तस्य भविष्यामि संग्रामे सारथिर्ध्रुवम्वासुदेवेन हि समं नित्यं मां स हि मन्यते

ahaṃ tasya bhaviṣyāmi saṃgrāme sārathirdhruvamvāsudevena hi samaṃ nityaṃ māṃ sa hi manyate

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