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
from a (tenth) multiple of ἐννέα and ἐννέα itself; ninety-nine: ninety and nine.