History of the Peloponnesian War

Upon this news a force marched out from Lacedaemon, of the Spartans and Helots and all their people, and that instantly and upon a scale never before witnessed.

Advancing to Orestheum in Maenalia, they directed the Arcadians in their league to follow close after them to Tegea, and going on themselves as far as Orestheum, from thence sent back the sixth part of the Spartans, consisting of the oldest and youngest men, to guard their homes, and with the rest of their army arrived at Tegea; where their Arcadian allies soon after joined them.

Meanwhile they sent to Corinth, to the Boeotians, the Phocians, and Locrians, with orders to come up as quickly as possible to Mantinea. These had but short notice; and it was not easy except all together, and after waiting for each other, to pass through the enemy's country, which lay right across and blocked up the line of communication. Nevertheless they made what haste they could.

Meanwhile the Lacedaemonians with the Arcadian allies that had joined them, entered the territory of Mantinea, and encamping near the temple of Heracles began to plunder the country.

Here they were seen by the Argives and their allies, who immediately took up a strong and difficult position, and formed in order of battle.

The Lacedaemonians at once advanced against them, and came on within a stone's throw or javelin's cast, when one of the older men, seeing the enemy's position to be a strong one, hallooed to Agis that he was minded to cure one evil with another; meaning that he wished to make amends for his retreat, which had been so much blamed, from Argos, by his present untimely precipitation.