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.

And whilst his subjects were moulding their characters upon the unique example of their king, the neighbouring nations, who had hitherto believed that it was a fortified camp and not a city that was placed amongst them to vex the peace of all, were now induced to respect them so highly that they thought it sinful to injure a State so entirely devoted to the service of the gods.

There was a grove through the midst of which a perennial stream flowed, issuing from a dark cave. Here Numa frequently retired unattended as if to meet the goddess, and he consecrated the grove to the Camaenae, because it was there that their meetings with his wife Egeria took place.