Mahabharata 12.105.16

भूत्वा च न भवत्येतदभूत्वा च भवत्यपिशोके न ह्यस्ति सामर्थ्यं शोकं कुर्यात्कथं नरः

bhūtvā ca na bhavatyetadabhūtvā ca bhavatyapiśoke na hyasti sāmarthyaṃ śokaṃ kuryātkathaṃ naraḥ

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