εἰ μὴ ἦλθον καὶ ἐλάλησα αὐτοῖς, ἁμαρτίαν οὐκ εἶχον → if I had not come and spoken to them, they would not be guilty of sin
Ar. and P. λίθος, ὁ or ἡ, P. λιθίδιον, τό. See Plato, Phaedo, 110D-E for reference to gems. See also jewel.
Use P. and V. ποικίλλειν.