Mahabharata 14.40.1

ब्रह्मोवाचअव्यक्तात्पूर्वमुत्पन्नो महानात्मा महामतिःआदिर्गुणानां सर्वेषां प्रथमः सर्ग उच्यते

brahmovācaavyaktātpūrvamutpanno mahānātmā mahāmatiḥādirguṇānāṃ sarveṣāṃ prathamaḥ sarga ucyate

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