ἀπαιδευσία
From LSJ
ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
English (LSJ)
Ion. -ιή, ἡ,
A want of education, Democr.212, Pl.R. 514a, al.; μετὰ ἀπαιδευσίας Th.3.42; δι' ἀπαιδευσίαν Arist.Rh.1356a29; δι' ἀ. τῶν ἀναλυτικῶν Id.Metaph.1005b3, cf. 1006a6; ἀ. πλούτου ἐστὶ τὸ νεόπλουτον εἶναι Id.Rh.1391a17. 2 stupidity, Pl.Grg.527e, al., Aeschin.1.144; ἀπαιδευσίᾳ ὀργῆς from bigotry of passion, Th.3.84.