Book 8
89.3
This, however, was but a public profession made by them in word; but it was from private ambition that most or them pursued that very method by which an oligarchy formed out of a democracy is most sure to be overturned. For all at once not only claim to be equal, but every one decidedly the first man. [And in such a case failure is intolerable:] whereas, when an election is made under a democracy, ῥᾶον τὰ ἀποβαίνοντα ... φέρει.] Because, as Arnold observes, they know that the weight of the government is against them, and are thus spared the peculiar pain of being beaten in a fair race, when they and their competitors start with equal advantages, and there is nothing therefore to lessen the mortification of defeat. a man more easily submits to the result, as he does not think himself beaten on equal terms.
89.4
But what most evidently encouraged them was the interest of Alcibiades being so strong in the army, and their not thinking that the power of the oligarchy would be permanent. Each one therefore strove to be himself the first to take the lead of the commons.