Mahabharata 5.39.16

ज्ञातयो वर्धनीयास्तैर्य इच्छन्त्यात्मनः शुभम्कुलवृद्धिं च राजेन्द्र तस्मात्साधु समाचर

jñātayo vardhanīyāstairya icchantyātmanaḥ śubhamkulavṛddhiṃ ca rājendra tasmātsādhu samācara

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