ἀγεωμέτρητος μηδεὶς εἰσίτω → no one ignorant of geometry may enter, let no one ignorant of geometry enter, let no one ignorant of geometry come in
P. and V. σαφής, ἐμφανής; see clear.
sensible, in one's senses: P. and V. ἔμφρων.