On this occasion the humanity of Ambrose tempted him to make a singular breach in his theological system; and to comfort the weeping sisters of Valentinian, by the firm assurance, that their pious brother, though he had not received the sacrament of baptism, was introduced, without difficulty, into the mansions of eternal bliss.
The prudence of Arbogastes had prepared the success of his ambitious designs: and the provincials, in whose breast every sentiment of patriotism or loyalty was extinguished, expected, with tame resignation, the unknown master, whom the choice of a Frank might place on the Imperial throne.

But some remains of pride and prejudice still opposed the elevation of Arbogastes himself; and the judicious Barbarian thought it more advisable to reign under the name of some dependent Roman.

He bestowed the purple on the rhetorician Eugenius; whom he had already raised from the place of his domestic secretary to the rank of master of the offices.

In the course, both of his private and public service, the count had always approved the attachment and abilities of Eugenius; his learning and eloquence, supported by the gravity of his manners, recommended him to the esteem of the people; and the reluctance with which he seemed to ascend the throne, may inspire a favorable prejudice of his virtue and moderation.

The ambassadors of the new emperor were immediately despatched to the court of Theodosius, to communicate, with affected grief, the unfortunate accident of the death of Valentinian; and, without mentioning the name of Arbogastes, to request, that the monarch of the East would embrace, as his lawful colleague, the respectable citizen, who had obtained the unanimous suffrage of the armies and provinces of the West.