History of the Peloponnesian War

Thucydides

Thucydides. History of the Peloponnesian War. Crawley, Richard, translator. London and Toronto: J. M. Dent and Sons Ltd.; New York: E. P. Dutton and Co., 1914.

and remaining firm in their determination were dismissed by the Lacedaemonians, who now decided on forming an alliance with the Athenians, thinking that Argos, who had refused the application of Ampelidas and Lichas for a renewal of the treaty, would without Athens be no longer formidable, and that the rest of the Peloponnese would be most likely to keep quiet, if the coveted alliance of Athens were shut against them.

Accordingly, after conference with the Athenian ambassadors, an alliance was agreed upon and oaths were exchanged, upon the terms following:—