Mahabharata 12.53.16

अद्यप्रभृति गाङ्गेयः परं गुह्यं प्रवक्ष्यतिततो नेच्छामि कौन्तेय पृथग्जनसमागमम्

adyaprabhṛti gāṅgeyaḥ paraṃ guhyaṃ pravakṣyatitato necchāmi kaunteya pṛthagjanasamāgamam

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