Mahabharata 12.262.28

स सिद्धैः साध्यते नित्यं ब्राह्मणैर्नियतात्मभिःसंतोषमूलस्त्यागात्मा ज्ञानाधिष्ठानमुच्यते

sa siddhaiḥ sādhyate nityaṃ brāhmaṇairniyatātmabhiḥsaṃtoṣamūlastyāgātmā jñānādhiṣṭhānamucyate

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