On horsemanship deals with the selection, care and training of horses in general. Military training and the duties of the cavalry commander are dealt with in the Hipparchicus.Written in about 350 BC, the treatises of Xenophon were considered the earliest extant works on horsemanship in any literature.

Socrates was a classical Greek Athenian philosopher. Credited as one of the founders of Western philosophy, he is an enigmatic figure known chiefly through the accounts of later classical writers, especially the writings of his students Plato and Xenophon, and the plays of his contemporary Aristophanes.