Mahabharata 12.187.54

एतां बुद्ध्वा नरः सर्वां भूतानामागतिं गतिम्अवेक्ष्य च शनैर्बुद्ध्या लभते शं परं ततः

etāṃ buddhvā naraḥ sarvāṃ bhūtānāmāgatiṃ gatimavekṣya ca śanairbuddhyā labhate śaṃ paraṃ tataḥ

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