τὸ ἐμόν γ' ἐμοὶ λέγεις ὄναρ → you are telling me what I know already, you are telling me my own dream
forethought: P. and V. πρόνοια, ἡ, P. προμήθεια, ἡ, V. προμηθία, ἡ.
destiny: P. and V. τὸ θεῖον, or use ὁ θεός, ὁ δαίμων.