The Roman History · Amm. 27.12.8

Having ratified this agreement with an oath, they quitted the town, and led the besiegers to acquiesce in inaction by representing that the besieged had required two days to deliberate on what course they ought to pursue. Then in the middle of the night, when they were all soundly asleep in fancied security, the gates of the city were thrown open, and a strong body of young men poured forth with great speed, creeping on with noiseless steps and drawn swords, till they entered the camp of the unsuspecting enemy, where they slew numbers of sleeping men, without meeting with any resistance.

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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