Ἡ δ' ἐμὴ ψυχὴ πάλαι τέθνηκεν, ὥστε τοῖς θανοῦσιν ὠφελεῖν → My soul died long ago so that I could give some help to the dead
duel de οἶδα.
ἴστον: βʹ και γʹ δυϊκ. του οἶδα.