History of the Peloponnesian War

Accordingly he landed them at Tanagra, and carried off some plunder in a hurried manner; and then in the evening sailed across the Euripus from Chalcis in Euboea, and landing them in Boeotia, led them against Mycalessus.

During the night he bivouacked unobserved near the temple of Mercury, distant from Mycalessus about sixteen stades, and at day-break assaulted the town, which was not a large one, and took it; having fallen on the inhabitants whilst off their guard, and not expecting that any one would ever march up the country so far from the sea to attack them; their wall, too, being weak, and in some parts even fallen down, while in other parts it was built but low; and the gates, moreover, being open through their feeling of security.