Mahabharata 3.29.30

मृदुना मार्दवं हन्ति मृदुना हन्ति दारुणम्नासाध्यं मृदुना किंचित्तस्मात्तीक्ष्णतरो मृदुः

mṛdunā mārdavaṃ hanti mṛdunā hanti dāruṇamnāsādhyaṃ mṛdunā kiṃcittasmāttīkṣṇataro mṛduḥ

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