Paumacariya 105.73

105.73

samasa-mittabhāvā, samasuha-dukkhā pasaṁsa-nindasamā
samaṇā pasatyacitā, havanti pāvāṇa vi apābā

Monks possess equal feeling toward foes and friends, are equal in pleasure and pain, equal toward praise and blame; / with tranquil minds, they do not harm even evil persons.”