Human movements through the region come to conform to a definite pattern which. [fact]
"At first everyone will seek for himself what seems to him the best path," he wrote, "but the fact that such a path has been used once is likely to make it easier to traverse and therefore more likely to be used again; and thus gradually more and more clearly defined tracks arise and come to be used to the exclusion of other possible ways. Human movements through the region come to conform to a definite pattern which, although the result of deliberate decisions of many people, has yet not been consciously designed by anyone."
Quinn Slobodian, Globalists, loc. 748