Mahabharata 7.77.5

अत्र क्रोधविषं पार्थ विमुञ्च चिरसंभृतम्एष मूलमनर्थानां पाण्डवानां महारथः

atra krodhaviṣaṃ pārtha vimuñca cirasaṃbhṛtameṣa mūlamanarthānāṃ pāṇḍavānāṃ mahārathaḥ

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