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.
There is this exceptionally beneficial and fruitful advantage to be derived from the study of the past, that you see, set in the clear light of historical truth, examples of every possible type. From these you may select for yourself and your country what to imitate, and also what, as being mischievous in its inception and disastrous in its issues, you are to avoid.