Mahabharata 3.148.9

भीम उवाच · bhīma uvāca

युगसंख्यां समाचक्ष्व आचारं च युगे युगेधर्मकामार्थभावांश्च वर्ष्म वीर्यं भवाभवौ

yugasaṃkhyāṃ samācakṣva ācāraṃ ca yuge yugedharmakāmārthabhāvāṃśca varṣma vīryaṃ bhavābhavau

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