Histories
Herodotus
Herodotus. Godley, Alfred Denis, translator. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1920-1925 (printing).
He uttered this threat against all the Greeks, because they have markets and buy and sell there; for the Persians themselves were not used to resorting to markets at all, nor do they even have a market of any kind.