It occurred to me one day that Sparta, though among the most thinly populated of states, was evidently the most powerful and most celebrated city in Greece; and I fell to wondering how this could have happened. But when I considered the institutions of the Spartans, I wondered no longer.
In section 4.3 of the Cyropaedia Cyrus makes clear his Desire to institute cavalry. He even goes so far to say that he desires that no Persian kalokagathos ("noble and good man" literally, or simply "noble") ever be seen on foot but always on a horse, so much so that the Persians may actually seem to be centaurs (4.3.22–23). Centaurs were often thought of as creatures of ill repute, which makes even Cyrus’ own advisors wary of the label. His minister Chrysantas admires the centaurs for their dual nature, but also warns that the dual nature does not allow centaurs to fully enjoy or act as either one of their aspects in full (4.3.19–20).
Xenophon’s entire classical corpus is extant. The following list of his works exhibits the extensive breadth of genres in which Xenophon wrote.