ἐὰν ᾖς φιλομαθής, ἔσει πολυμαθής → if you are studious, you will become learned
P. διαφάνεια, ἡ.
clearness, perspicuity: P. and V. σαφήνεια, ἡ.
Met., simplicity (of character, etc.): P. ἁπλότης, ἡ.