Mahabharata 12.201.5

सप्त ब्रह्माण इत्येष पुराणे निश्चयो गतःअत ऊर्ध्वं प्रवक्ष्यामि सर्वानेव प्रजापतीन्

sapta brahmāṇa ityeṣa purāṇe niścayo gataḥata ūrdhvaṃ pravakṣyāmi sarvāneva prajāpatīn

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