Ab urbe condita
Titus Livius (Livy)
Livy. History of Rome, Volumes 1-2. Roberts, Canon, Rev, translator. London, New York: J. M. Dent and Sons; E. P. Dutton and Co., 1912.
The arrangements for creating a groundless alarm were now completed, and that groundless alarm proved almost more serviceable than an actual increase of strength would have been. At first the leaders of the Gauls did not believe that the Romans would come down on to the plain, but when they saw them suddenly descending, they rushed on to meet them, eager for the encounter, and the battle commenced before the signal had been given by the commanders.
The Gauls directed their fiercest attack upon the Roman right, and the Dictator's presence with that division alone prevented the attack from succeeding.
When he saw the men wavering he called out sharply to Sextius and asked him if this was the way in which he had pledged his soldiers to fight. “Where,” he cried, “are the shouts of the men who clamoured for arms? Where are their threats of going into battle without their commander's orders?