Antistius, the commander of these ships, at his parting, gave him fifty thousand myriads of the money that he was conveying to Italy;and all the soldiers yet remaining of Pompey's army, who after their general's defeat wandered about Thessaly, readily and joyfully flocked together to join him. Besides this, he took from Cinna five hundred horse that he was carrying to Dolabella into Asia. After that, he sailed to Demetrias, and there seized a great quantity of arms that had been provided by the command of the deceased Caesar for the Parthian war, and were now to be sent to Antony. Then Macedonia was put into his hands and delivered up by Hortensius the praetor, and all the kings and potentates round about came and offered their services. So when news was brought that Caius, the brother of Antony, having passed over from Italy, was marching on directly to join the forces that Vatinius commanded in Dyrrhachium and Apollonia, Brutus resolved to anticipate him, and to seize them first, and in all haste moved forwards with those that he had about him.
His march was very difficult, through rugged places and in a great snow, but so swift that he left those that were to bring his provisions for the morning meal a great way behind. And now, being very near to Dyrrhachium, with fatigue and cold he fell into the distemper called Bulimia. This is a disease that seizes both men and cattle after much labour, and especially in a great snow; whether it is caused by the natural heat when the body is seized with cold, being forced all inwards, and consuming at once all the nourishment laid in, or whether the sharp and subtle vapour which comes from the snow as it dissolves cuts the body, as it were, and destroys the heat which issues through the pores; for the sweatings seem to arise from the heat meeting with the cold, and being quenched by it on the surface of the body. But this I have in another place discussed more at large.
Brutus growing very faint, and there being none in the whole army that had anything for him to eat, his servants were forced to have recourse to the enemy, and, going as far as to the gates of the city, begged bread of the sentinels that were upon duty. As soon as they heard of the condition of Brutus, they came themselves, and brought both meat and drink along with them; in return for which Brutus, when he took the city, showed the greatest kindness, not to them only, but to all the inhabitants, for their sakes. Caius Antonius, in the meantime, coming to Apollonia, summoned all the soldiers that were near that city to join him there; but finding that they nevertheless went all to Brutus, and suspecting that even those of Apollonia were inclined to the same party, he quitted that city, and came to Buthrotum, having first lost three cohorts of his men, that in their march thither were cut to pieces by Brutus. After this, attempting to make himself master of some strong places about Byllis which the enemy had first seized, he was overcome in a set battle by young Cicero, to whom Brutus gave the command, and whose conduct he made use of often and with much success. Caius himself was surprised in a marshy place, at a distance from his support; and Brutus having him in his power would not suffer his soldiers to attack, but maneuvering about the enemy with his horse, gave command that none of them should be killed, for that in a little time they would all be of his side; which accordingly came to pass, for they surrendered both themselves and their general. So that Brutus had by this time a very great and considerable army. He showed all marks of honour and esteem to Caius for a long time, and left him the use of the ensigns of his office, though, as some report, he had several letters from Rome, and particularly from Cicero, advising him to put him to death. But at last, perceiving that he began to corrupt his officers, and was trying to raise a mutiny amongst the soldiers, he put him aboard a ship and kept him close prisoner. In the meantime, the soldiers that had been corrupted by Caius retired to Apollonia, and sent word to Brutus, desiring him to come to them thither. He answered that this was not the custom of the Romans, but that it became those who had offended to come themselves to their general and beg forgiveness of their offences; which they did, and accordingly received their pardon.
As he was preparing to pass into Asia, tidings reached him of the alteration that had happened at Rome; where the young Caesar, assisted by the senate, in opposition to Antony, and having driven his competitor out of Italy, had begun himself to be very formidable, suing for the consulship contrary to law, and maintaining large bodies of troops of which the commonwealth had no manner of need. And then, perceiving that the senate, dissatisfied with the proceedings, began to cast their eyes abroad upon Brutus, and decreed and confirmed the government of several provinces to him, he had taken the alarm.