Mahabharata 12.304.24

स्थिरत्वादिन्द्रियाणां तु निश्चलत्वात्तथैव चएवं युक्तस्य तु मुनेर्लक्षणान्युपधारयेत्

sthiratvādindriyāṇāṃ tu niścalatvāttathaiva caevaṃ yuktasya tu munerlakṣaṇānyupadhārayet

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