It divided and agitated almost all Peloponnesus; it arrayed against the Lacedaemonians at Mantinea so many warlike shields upon a single day; it set at farthest remove from Athens the struggle, with all its risks, in which, when the Lacedaemonians conquered, their victory brought them no great advantage, whereas, had they been defeated, the very existence of Sparta would have been at stake.
Edition :
Plutarch Lives IV: Alcibiades and Coriolanus, Lysander and Sulla, Ed. Jeffrey Henderson, trans. Bernadotte Perrin (The Loeb Classical Library 80), Harvard University Press: Cambridge/MA - London 2000 (first ed. 1916).
Remark :
titel: As a result of Sparta's victory at Mantinea, the Spartans were able to strengthen their position in the Peloponnesus.