Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
The proud Macedonian nation looked with pride upon the prince whom they had been accustomed to see marching and fighting at the head of their youth; his countrymen, and many Greeks of every variety of lineage, conceived that in him they had found the right general for the impending war of liberation. But he was not what he seemed. He wanted Philip's geniality and Philip's elasticity--those truly royal qualities, which success obscured and tarnished, but which under the purifying power of adversity recovered their lustre.
Philip was self-indulgent, and allowed things to take their course; but, when there was occasion, he found within himself the vigour necessary for rapid and earnest action. Perseus devised comprehensive and subtle plans, and prosecuted them with unwearied perseverance; but, when the moment arrived for action and his plans and preparations confronted him in living reality, he was frightened at his own work.
As is the wont of narrow minds, the means became to him the end; he heaped up treasures on treasures for war with the Romans, and, when the Romans were in the land, he was unable to part with his golden pieces. It is a significant indication of character that after defeat the father first hastened to destroy the papers in his cabinet that might compromise him, whereas the son took his treasure-chests and embarked.
In ordinary times he might have made an average king, as good as or better than many another; but he was not adapted for the conduct of an enterprise, which was from the first a hopeless one unless some extraordinary man should become the soul of the movement.
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Reference address : https://www.ellopos.net/elpenor/rome/3-10-third-macedonian-war.asp?pg=7