Mahabharata 4.30.17
सूर्यचन्द्रप्रतीकाशो रथे दिव्ये हिरण्मयःमहानुभावो मत्स्यस्य ध्वज उच्छिश्रिये तदा
sūryacandrapratīkāśo rathe divye hiraṇmayaḥmahānubhāvo matsyasya dhvaja ucchiśriye tadā
Our plain-language meaning of this verse is waiting for scholar review.