12.3
Numa also established many other orders of priesthood, of which I shall mention two, besides, those of the Salii and the Fetiales, which more than any others give evidence of the man’s reverent piety. The Fetiales were guardians of peace, so to speak, and in my opinion took their name from their office, which was to put a stop to disputes by oral conference, or parley Connecting the name with fateri, fari, to speak. and they would not suffer a hostile expedition to be made before every hope of getting justice had been cut off.
12.4
For the Greeks call it peace when two parties settle their quarrels by mutual conference, and not by violence. And the Roman Fetiales often went to those who were doing them a wrong and made personal appeals for fair treatment; but if the unfair treatment continued, they called the gods to witness, invoked many dreadful evils upon themselves and their country in case they resorted to hostilities unjustly, and so declared war upon them.
12.5
But if they forbade it or withheld their consent, neither soldier nor king of Rome could lawfully take up arms. War had to begin with their verdict that it was just, and the ruler, on receiving this verdict, must then deliberate on the proper way to wage it. And it is said that the dreadful disaster which the city experienced at the hands of the Gauls was in consequence of the illegal treatment of these priests.
