ἀλλ᾽ ἀμφὶ τοῖς σφαλεῖσι μὴ 'ξ ἑκουσίας ὀργὴ πέπειρα → to those who err in judgment, not in will, anger is gentle | men's wrath is softened toward those who have erred unwittingly
portentum: i, v. portendo.
portentum,¹⁰ ī, n. (portendo),
1 présage [venant de qqch. de prodigieux], pronostic, prodige, signe miraculeux : Cic. Nat. 2, 7 ; Div. 2, 69
2 monstruosité, miracle, merveille : Cic. Div. 2, 61