μὴ δὶς πρὸς τὸν αὐτὸν λίθον πταίειν → do not stumble twice on the same stone
eagerly: P. and V. προθύμως, σπουδῇ, P. ἐντόνως, συντόνως, σπουδαίως, P. ἰταμῶς.
boldly: P. τολμηρῶς.
desire ardently, v.: P. γλίχεσθαι (gen., also infin.).