A CERTAIN traveller, returning to his home from a distant country, came, at nightfall, to the entrance of a vast forest. Being unable to tarry or retrace his steps, he was obliged to pass through the forest in the darkness of the night. As he was about to enter these gloomy woods, he met with an old shepherd of venerable aspect, of whom he asked the way. "Alas " said the shepherd, "it is not easy to show you the way. The forest is crossed by hundreds...