The Roman History · Amm. 25.9.8

But it sunk into the heart of all good citizens, that while, out of fear of a rival claimant of his power, and constantly fancying some one in Gaul or in Illyricum might have formed ambitious designs, he was hastening to outstrip the intelligence of his approach, he should have committed, under pretence of reverence for an oath, an act so unworthy of his imperial power as to abandon Nisibis, which ever since the time of Mithridates had been the chief hindrance to the encroachments of the Persians in the East.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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