History of the Peloponnesian War

In this way the Athenians walled their city in a short time.

And the building still slows even now that it was executed in haste; for the foundations are laid with stones of all kinds, and in some places not wrought together, but as the several parties at any time brought them to the spot: and many columns from tombs, and wrought stones, were worked up in them. For the enclosure of the city was carried out to a greater extent on every side; and for this reason they hurried on the work, removing every tiling alike.