ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
3ᵉ sg. prés. Act. de δαμνάω;2ᵉ sg. prés. Moy. de δάμνημι.
