τὸ μὴ γὰρ εἶναι κρεῖσσον ἢ τὸ ζῆν κακῶς → for it is better not to exist than to live in misery
secret, imperceptible: P. and V. λαθραῖος.
crafty: Ar. and V. δόλιος.
treacherous: P. ἐπίβουλος, V. μηχανορράφος.
unsound: P. and V. ὕπουλος, σαθρός.