Mahabharata 12.300.1

याज्ञवल्क्य उवाच · yājñavalkya uvāca

तत्त्वानां सर्गसंख्या च कालसंख्या तथैव चमया प्रोक्तानुपूर्व्येण संहारमपि मे शृणु

tattvānāṃ sargasaṃkhyā ca kālasaṃkhyā tathaiva camayā proktānupūrvyeṇa saṃhāramapi me śṛṇu

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