How the path was forged

by Paulo Coelho

One day, a calf needed to cross a virgin forest in order to return to its pasture. Being an irrational animal, it forged out a tortuous path full of bends, up and down hills.

The next day, a dog came by and used the same path to cross the forest. Next it was a sheep's turn, the head of a flock which, upon finding the opening, led its companions through it.
Later, men began using the path: they entered and left, turned to the right, to the left, bent down, deviating...