Mahabharata 12.237.4

तद्भवानेवमभ्यस्य वर्ततां श्रूयतां तथाएक एव चरेन्नित्यं सिद्ध्यर्थमसहायवान्

tadbhavānevamabhyasya vartatāṃ śrūyatāṃ tathāeka eva carennityaṃ siddhyarthamasahāyavān

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