Mahabharata 5.163.18
बृहद्बलस्तथा राजा कौसल्यो रथसत्तमःरथो मम मतस्तात दृढवेगपराक्रमः
bṛhadbalastathā rājā kausalyo rathasattamaḥratho mama matastāta dṛḍhavegaparākramaḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book