εἰ μὴ μάλα γέ τινες ὀλίγοι ὧν ἐγὼ ἐντετύχηκα → apart from a very few whom I've met
per-dīlĭgens: entis, adj.,I very diligent: homo, Cic. Q. Fr. 3, 5, 6.—Adv.: perdīlĭgenter, very diligently, Cic. Att. 1, 11, 1: complecti aliquid, id. Brut. 3, 14.
perdīlĭgēns, tis, très consciencieux : Cic. Q. 3, 5, 6.