Mahabharata 7.55.38
कुर्याम तद्वयं कर्म क्रियासुः सुहृदश्च नःकृतवान्यादृगद्यैकस्तव पुत्रो महारथः
kuryāma tadvayaṃ karma kriyāsuḥ suhṛdaśca naḥkṛtavānyādṛgadyaikastava putro mahārathaḥ
Our plain-language meaning of this verse is waiting for scholar review.