οὐκ ἔστιν αἰσχρὸν ἀγνοοῦντα μανθάνειν → there is no shame in, not knowing, inquiring
error, malum, noxitudo, admissum, delictum, peccatus, piaculum, noxia, facinus, meritum, crimen, commissum, excessus, fraus
