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.
Their commander knew that it was the habitual practice of both the Gauls and the Samnites to make a furious attack to begin with, and if that were successfully resisted, it was enough;
the courage of the Samnites gradually sank as the battle went on, whilst the Gauls, utterly unable to stand heat or exertion, found their physical strength melting away; in their first efforts they were more than men, in the end they were weaker than women.