The Roman History · Amm. 14.2.13

Therefore they encamped around this fortress for three days and three nights, and as the steepness of the ground on which it stood prevented any attempt to storm it without the most deadly peril, and as it was impossible to effect anything by mines, and no other manœuvres such as are employed in sieges availed anything, they retired much dejected, being compelled by the necessities of their situation to undertake some enterprise, even if it should be greater than their strength was equal to.

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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