πολλάκις δοκεῖ τὸ φυλάξαι τἀγαθὰ τοῦ κτήσασθαι χαλεπώτερον εἶναι → it often proves harder to keep than to win prosperity | it is often harder for men to keep the good they have, than it was to obtain it
inf. pf. ion. de συμβαίνω.
συμβεβάναι: [ᾰ], αντί -βεβηκέναι, απαρ. παρακ. του συμβαίνω.
συμβεβάναι: inf. pf. к συμβαίνω.