After this, Epaminondas entered Laconia with his allies, having no fewer than forty thousand men-at-arms. Many light armed and unarmed troops also followed him for the sake of plunder, so that a horde of seventy thousand, all told, made this incursion into Laconia.
Edition :
Plutarch Lives V: Agesilaus and Pompey, Pelopidas and Marcellus, Ed. Jeffrey Henderson, trans. Bernadotte Perrin (The Loeb Classical Library 87), Harvard University Press: Cambridge/MA - London 1961 (first ed. 1917).