History of the Peloponnesian War

Upon the arrival of Brasidas and his army, Perdiccas immediately started with them and with his own forces against Arrhabaeus, son of Bromerus king of the Lyncestian Macedonians, his neighbour, with whom he had a quarrel and whom he wished to subdue.

However, when he arrived with his army and Brasidas at the pass leading into Lyncus, Brasidas told him that before commencing hostilities he wished to go and try to persuade Arrhabaeus to become the ally of Lacedaemon,

this latter having already made overtures intimating his willingness to make Brasidas arbitrator between them, and the Chalcidian envoys accompanying him having warned him not to remove the apprehensions of Perdiccas, in order to insure his greater zeal in their cause.