Mahabharata 6.28.25

शनैः शनैरुपरमेद्बुद्ध्या धृतिगृहीतयाआत्मसंस्थं मनः कृत्वा न किंचिदपि चिन्तयेत्

śanaiḥ śanairuparamedbuddhyā dhṛtigṛhītayāātmasaṃsthaṃ manaḥ kṛtvā na kiṃcidapi cintayet

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