History of the Peloponnesian War

Thucydides

Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.

Brasidas, however, when he had gained the heights, proceeded in more security and arrived the same day at Arnisa, the first town in the dominions of Perdiccas.

As for his soldiers, they were enraged at the Macedonians for having gone ahead in retreat, and whenever they came upon any ox-teams of theirs in the road or upon any baggage that had been dropped, as was likely to happen in a retreat made by night and in a panic, of their own accord they loosed the oxen and slaughtered them, but appropriated the baggage.