[78]
when they see their own cities reduced to a state of siege, while we shall have taken such measures that our own city cannot henceforth experience a like calamity; and when, furthermore, they perceive that it is easy for us to procure food both from our existing stores and from the spoils of war, but difficult for them, inasmuch as it is one thing to provide for an army such as ours and another to feed the crowds in cities?