History of the Peloponnesian War

‘But it is for this very reason that we now trust to their respect for expediency to prevent them from betraying the Melians, their colonists, and thereby losing the confidence of their friends in Hellas and helping their enemies.’

‘Then you do not adopt the view that expediency goes with security, while justice and honor cannot be followed without danger; and danger the Lacedaemonians generally court as little as possible.’

‘But we believe that they would be more likely to face even danger for our sake, and with more confidence than for others, as our nearness to Peloponnese makes it easier for them to act; and our common blood insures our fidelity.’

‘Yes, but what an intending ally trusts to, is not the goodwill of those who ask his aid, but a decided superiority of power for action; and the Lacedaemonians look to this even more than others. At least, such is their distrust of their home resources that it is only with numerous allies that they attack a neighbor; now is it likely that while we are masters of the sea they will cross over to an island?’