Mahabharata 8.69.25

जयश्चैव ध्रुवोऽस्माकं न त्वस्माकं पराजयःयदा त्वं युधि पार्थस्य सारथ्यमुपजग्मिवान्

jayaścaiva dhruvo'smākaṃ na tvasmākaṃ parājayaḥyadā tvaṃ yudhi pārthasya sārathyamupajagmivān

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