The Roman History · Amm. 28.1.33

These letters, as some affirm, Probus sent to Maximin, hardened as he was in wickedness, because he feared his influence with the emperor; letting none but the bearer know the business. And when he had read them, the cruel Maximin became furious, and henceforth set all his engines at work to destroy Aginatius, like a serpent that had been bruised by some one whom it knew.

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
Passage preview. Read in context for the complete text, notes and references.