κοινὸν τύχη, γνώμη δὲ τῶν κεκτημένων → good luck is anyone's, judgment belongs only to those who possess it
δεκαέτης -ες of δεκαετής -ές [δέκα, ἔτος] tienjarig.
(see also: δεκαετής) lasting ten years
