κρεῖττον σιωπᾶν ἐστιν ἢ λαλεῖν μάτην → it's better to keep silence than to speak without reason (Menander)
P. and V. ἐρῆμος.
pathless: P. ἀτριβής, P. and V. ἄβατος, V. ἄστιπτος, ἀστιβής.