Mahabharata 12.298.16

अव्यक्ताच्च महानात्मा समुत्पद्यति पार्थिवप्रथमं सर्गमित्येतदाहुः प्राधानिकं बुधाः

avyaktācca mahānātmā samutpadyati pārthivaprathamaṃ sargamityetadāhuḥ prādhānikaṃ budhāḥ

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