Histories
Herodotus
Herodotus. Godley, Alfred Denis, translator. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1920-1925 (printing).
This much is certain: that this opinion, which is held by all Greeks and particularly by the Lacedaemonians, is of foreign origin. It is in Corinth [22.9083,37.9083] (Perseus) Corinth that artisans are held in least contempt.
The warriors were the only Egyptians, except the priests, who had special privileges: for each of them an untaxed plot of twelve acres was set apart. This acre is a square of a hundred Egyptian cubits each way, the Egyptian cubit being equal to the Samian.