History of the Peloponnesian War
Thucydides
Thucydides. The history of the Peloponnesian War, Volume 1-2. Dale, Henry, translator. London: Heinemann and Henry G. Bohn, 1851-1852.
The Argives and their allies, on the other hand, were at first amazed at his sudden retreat, when at so short a distance from them, and did not know what to conjecture. Afterwards, when the enemy had withdrawn out of sight, while they themselves remained still, and did not follow them, they then began to blame their generals again; both because, on the former occasion, the Lacedaemonians, when fairly caught near Argos, had been suffered to escape; and now, when they were running away, no one pursued them; but with perfect quiet the enemy were saving themselves, while they were being betrayed.
The generals, then, were at the moment confounded, but afterwards they led them off from the hill, and having advanced on to the plain, pitched their camp, with the intention of advancing against the enemy.
The next day the Argives and their allies formed their line as they intended to engage, should they fall in with their opponents; and the Lacedaemonians, on going back again from the water to the temple of Hercules, into their old encampment, see the enemy at a short distance from them, all by this time in order of battle, and advanced from the hill.
The Lacedaemonians, then, were on this occasion in the greatest consternation they had ever experienced within their memory. For their preparations had to be made on a short notice; and immediately they fell into their ranks in a hurry, Agis, their king, giving all orders, according to their law.
For when a king is at the head of an army, all commands are given by him; and he communicates to the polemarchs what is to be done, they to the lochagi, those to the penteconters, these again to the enomotarchs, and these to their enomoty;