Ask at the forum if you have an Ancient or Modern Greek query!
Ἐὰν ᾖς φιλομαθής, ἔσει πολυμαθής → If you are studious, you will become learned.
ἐγκατασκεύως: искусно, надлежащим образом (δηλοῦσά τι λέξις Sext.).