Mahabharata 1.180.6

न च विप्रेष्वधीकारो विद्यते वरणं प्रतिस्वयंवरः क्षत्रियाणामितीयं प्रथिता श्रुतिः

na ca vipreṣvadhīkāro vidyate varaṇaṃ pratisvayaṃvaraḥ kṣatriyāṇāmitīyaṃ prathitā śrutiḥ

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