Mahabharata 7.170.12

यथा शिलोच्चये शैलः सागरे सागरो यथाप्रतिहन्येत राजेन्द्र तथासन्कुरुपाण्डवाः

yathā śiloccaye śailaḥ sāgare sāgaro yathāpratihanyeta rājendra tathāsankurupāṇḍavāḥ

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