Mahabharata 13.138.15

तथा प्रजापतिर्ब्रह्मा अव्यक्तः प्रभवाप्ययःयेनेदं निखिलं विश्वं जनितं स्थावरं चरम्

tathā prajāpatirbrahmā avyaktaḥ prabhavāpyayaḥyenedaṃ nikhilaṃ viśvaṃ janitaṃ sthāvaraṃ caram

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