Epaminondas was ambitious to join battle in the city and set up a trophy of victory there, but since he could neither force nor tempt Agesilaüs out of his positions, he withdrew and began to ravage the country.
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).
Remark :
motive: Because Epaminondas can't get Agesilaus II. to fight with him, he continues to devastate the country.