History of the Peloponnesian War
Thucydides
Thucydides. History of the Peloponnesian War. Crawley, Richard, translator. London and Toronto: J. M. Dent and Sons Ltd.; New York: E. P. Dutton and Co., 1914.
To this day the building shows signs of the haste of its execution; the foundations are laid of stones of all kinds, and in some places not wrought or fitted, but placed just in the order in which they were brought by the different hands; and many columns, too, from tombs and sculptured stones were put in with the rest. For the bounds of the city were extended at every point of the circumference; and so they laid hands on everything without exception in their haste.
Themistocles also persuaded them to finish the walls of Piraeus, which had been begun before, in his year of office as archon; being influenced alike by the fineness of a locality that has three natural harbors, and by the great start which the Athenians would gain in the acquisition of power by becoming a naval people.