Ab urbe condita

Then as regards the attitude of the various Italian tribes —the whole of Latium with the Sabines, Volscians, and Aequi, the whole of Campania, parts of Umbria and Etruria, the Picentines, the Marsi, and Paeligni, the Vestinians and Apulians, to which we should add the entire coast of the western sea, with its Greek population, stretching from Thurii to Neapolis and Cumae, and from there as far as Antium and Ostia —all these nationalities he would have found to be either strong allies of Rome or reduced to impotence by Roman arms.

He would have crossed the sea with his Macedonian veterans, amounting to not more than 30,000 men and 4000 cavalry, mostly Thracian. This formed all his real strength. If he had brought over in addition Persian and Indians and other Orientals, he would have found them a hindrance rather than a help.