Mahabharata 12.217.31

नाहं तदनुशोचामि नात्मभ्रंशं शचीपतेएवं मे निश्चिता बुद्धिः शास्तुस्तिष्ठाम्यहं वशे

nāhaṃ tadanuśocāmi nātmabhraṃśaṃ śacīpateevaṃ me niścitā buddhiḥ śāstustiṣṭhāmyahaṃ vaśe

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