Histories
Herodotus
Herodotus. Godley, Alfred Denis, translator. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1920-1925 (printing).
The Satrae, as far as we know, have never yet been subject to any man; they alone of the Thracians have continued living in freedom to this day; they dwell on high mountains covered with forests of all kinds and snow, and they are excellent warriors.