Mahabharata 12.329.9

विश्वं ब्रह्मासृजत्पूर्वं सर्वादिर्निरवस्करम्ब्रह्मघोषैर्दिवं तिष्ठन्त्यमरा ब्रह्मयोनयः

viśvaṃ brahmāsṛjatpūrvaṃ sarvādirniravaskarambrahmaghoṣairdivaṃ tiṣṭhantyamarā brahmayonayaḥ

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