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.
HerodotusAlthough extraordinary valor was displayed by the entire corps of Spartans and Thespians, yet bravest of all was declared the Spartan Dienekes. It is said that on the eve of battle, he was told by a native of Trachis that the Persian archers were so numerous that, their arrows would block out the sun. Dienekes, however, undaunted by this prospect, remarked with a laugh, 'Good. Then we will fight in the shade.
Herodotus