ἀμνήμονες
From LSJ
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
ἀμνήμονες: οἱ амнемоны (60 членов высшего совета в г. Книдос) Plut.