He had been king of Sparta forty-one years, and for more than thirty of these he was the greatest and most influential of all Hellenes, having been looked upon as leader and king of almost all Hellas, down to the battle of Leuctra.
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).