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

[spiros]

ἀγεωμέτρητος μηδεὶς εἰσίτω → let no one untrained in geometry enter

μηδείς ἀγεωμέτρητος εἰσίτω μου τὴν στέγην → let no one ignorant of geometry come under my roof (inscription on Plato's Academy, acc. to Pseudo-Galen, De partibus philosophiae 2.5)