It is said that as many days as there are in the whole journey, so many are the men and horses that stand along the road, each horse and man at the interval of a days journey; and these are stayed neither by snow nor rain nor heat nor darkness from accomplishing their appointed course with all speed.
HerodotusUnless a variety of opinions are laid before us, we have no opportunity of selection, but are bound of necessity to adopt the particular view which may have been brought forward.
Herodotus