The Roman History · Amm. 24.1.3

Then in order to alarm the enemy by the idea of his superior numbers, should they attack him anywhere, or perceive him from a distance, he opened his ranks so as to spread both horses and men over a larger space, in such a way that the rear was distant from the van nearly ten miles; a manœuvre of great skill which Pyrrhus of Epirus is said to have often put in practice, extending his camp, or his lines, and sometimes on the other hand compressing them all, so as to present an appearance of greater or lesser numbers than the reality, according to the circumstances of the moment.

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.