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.

Conscious that the precedent which he had set, of winning a throne by violence, might be used against himself, he surrounded himself with a guard.

For he had nothing whatever by which to make good his claim to the crown except actual violence; he was reigning without either being elected by the people or confirmed by the senate.

As more over, he had no hope of winning the affections of the citizens, he had to maintain his dominion by fear.