His frequent wars with the Thracians, Illyrians, Thessalians, and some of the Greek cities in the neighbourhood of Macedon, gradually formed his troops, which in the beginning were probably militia, to the exact discipline of a standing army.

他经常与色雷斯人、伊利里亚人、色萨利人以及马其顿附近的一些希腊城市交战，逐渐组建了他的军队，最初可能是民兵，严格遵守常备军的纪律。