Histories
Herodotus
Herodotus. Godley, Alfred Denis, translator. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1920-1925 (printing).
When Oebares heard that, he did as follows. At nightfall he brought one of the mares which Darius' horse particularly favored, and tethered her in the suburb of the city; then bringing Darius' horse, he repeatedly led him near the horse, bumping against the mare, and at last let the horse mount.