[126] they sacked and razed the city of Mantinea,[122] after peace had been concluded; they seized the Cadmea[123] in Thebes; and now[124] they are laying siege to Olynthus and Phlius:[125] on the other hand, they are assisting Amyntas, king of the Macedonians,[126] and Dionysius,[127] the tyrant of Sicily, and the barbarian king who rules over Asia,[128] to extend their dominions far and wide.