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.