Mahabharata 3.177.27
सर्वे सर्वास्वपत्यानि जनयन्ति यदा नराःवाङ्मैथुनमथो जन्म मरणं च समं नृणाम्
sarve sarvāsvapatyāni janayanti yadā narāḥvāṅmaithunamatho janma maraṇaṃ ca samaṃ nṛṇām
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book