τὸ ἐμόν γ' ἐμοὶ λέγεις ὄναρ → you are telling me what I know already, you are telling me my own dream
intentionally: P. and V. ἑκουσίως, or use P. and V. ἑκών, εἰδώς, V. φρονῶν, all agreeing with subject.