I would appreciate it if someone could translate this sentence for me. Ἀρχὴν δὲ τῆς σκεπτικῆς αἰτιώδη μέν φαμεν εἶναι τὴν ἐλπίδα τοῦἀ ταρακτήσειν. Especially the first phrase : Ἀρχὴν δὲ τῆς σκεπτικῆς αἰτιώδη.