For when Phoebidas committed the foul deed of seizing the Cadmeia in a time of perfect peace, and all the Greeks were indignant and the Spartans displeased at the act,
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: Phoebidas doesn't seize the Cadmeia on his own initiative. He enacts a plan of Agesilaus II. (Plut. Ages. 24.1). long-term consequence: See Plut. Ages. 23.7-24.1