οὐ σοὶ μέτεστι

From LSJ

τὸ πολὺ τοῦ βίου ἐν δικαστηρίοις φεύγων τε καὶ διώκων κατατρίβομαι → waste the greater part of one's life in courts either as plaintiff or defendant

Source

Greek > English (Woodhouse)

you have no concern in, you have no part in