History of the Peloponnesian War

Accordingly, they abstained from the fine and the demolition of his house, but passed a law at that time which had never before existed amongst them; for they chose ten Spartans to act as counsellors with him, without whose consent he should have no power to lead an army out of the city.

Meanwhile intelligence reached them from their friends in Tegea, that unless they came there quickly, Tegea would go over from them to the Argives and their allies, and that it had all but done so.

Upon this then succour was given them by the Lacedaemonians and their helots in full force, with vigour, and in such a way as had never been done before.