History of the Peloponnesian War

For Arrhibaeus had also made some proffer by a herald to commit the matter to Brasidas' arbitrement. And the Chalcidean ambassadors, being present, gave him likewise advice not to thrust himself into danger in favour of Perdiccas, to the end they might have him more prompt in their own affairs.

Besides, the ministers of Perdiccas, when they were at Lacedaemon, had spoken there as if they had meant to bring [as] many of the places about him [as they could] into the Lacedaemonian league. So that Brasidas favoured Arrhibaeus for the public good of their own state.

But Perdiccas said that he brought not Brasidas thither to be a judge of his controversies, but to destroy those enemies which he should show him; and that it will be an injury, seeing he pays the half of his army, for Brasidas to parley with Arrhibaeus.