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
subs.
See metal. Silver ore: P. ἀργυρῖτις, ἡ (Xen.), or use V. ὑπάργυρος πέτρα, ἡ (Eur., Cycl. 294).