Mahabharata 1.70.36

तं पुत्रो देवयानेयः पूर्वजो यदुरब्रवीत्किं कार्यं भवतः कार्यमस्माभिर्यौवनेन च

taṃ putro devayāneyaḥ pūrvajo yadurabravītkiṃ kāryaṃ bhavataḥ kāryamasmābhiryauvanena ca

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