If they had been thinking of the country they had left, they would have had opportunity to return.
Καὶ εἰ μὲν ἐκείνης ἐμνημόνευον ἀφ᾿ ἧς ἐξῆλθον, εἶχον ἂν καιρὸν ἀνακάμψαι.