κοινὴ γὰρ ἡ τύχη καὶ τὸ μέλλον ἀόρατον → fortune is common to all, the future is unknown | fortune is common to all and the future unknown | fate is common to all and the future unknown
Use Ar. and P. μέδιμνος, ὁ (Dem. 467) (equals about a bushel and a half).
