ἔμβαλλε χειρὸς πίστιν

From LSJ

ὃ γὰρ βούλεται, τοῦθ' ἕκαστος καὶ οἴεται → what he wishes to be true, each person also believes to be true | what he wishes, each person also believes

Source

Greek > English (Woodhouse)

give me your hand as pledge