The Roman History · Amm. 31.5.4

But he, by his innate foresight, provided against everything that could happen, and marching on slowly as well in obedience to the commands he had received as to allow time for other powerful kings to join him, came by slow marches to Marcianopolis, arriving later than he was expected. And here another atrocious occurrence took place, which kindled the torches of the Furies for general calamity.

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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