Mahabharata 3.189.27

जातोऽसि प्रथिते वंशे कुरूणां भरतर्षभकर्मणा मनसा वाचा सर्वमेतत्समाचर

jāto'si prathite vaṃśe kurūṇāṃ bharatarṣabhakarmaṇā manasā vācā sarvametatsamācara

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