Our constitution is called a democracy because power is in the hands not of a minority but of the whole people. When it is a question of settling pri… - Thucydides

(Pericles:) In a single pitched battle the Peloponnesians and their allies are a match for all Hellas, but they are not able to maintain a war against a power different in kind from their own; they have no regular general assembly, and therefore cannot execute their plans with speed and decision. The confederacy is made up of many races; all the representatives have equal votes, and press their several interests. There follows the usual result, that nothing is ever done properly.

For some are all anxiety to be revenged on an enemy, while others only want to get off with as little loss as possible. The members of such a confederacy are slow to meet, and when they do meet, they give little time to the consideration of any common interest, and a great deal to schemes which further the interest of their particular state. Every one fancies that his own neglect will do no harm, but that it is somebody else's business to keep a look-out for him, and this idea, cherished alike by each, is the secret ruin of all.

(Book 1 Chapter 141.6-7)

Even more extraordinary is Thucydides’ ability to use that knowledge to reach a higher wisdom about the nature of human behavior, whether it be unveiled by plague (2.53), revolution (3.82–84), or war (5.103). And never forget that Thucydides was much more than an accurate recorder, more even than a keen judge of human character and the role that natural law and chance play in men’s affairs (3.45.5–7; 3.84.1–3). He was a profound literary artist as well, emotional and poignant on so many surprising occasions.

especially as they did not trust one another.