We have already seen that the Principate of these cities was of great antiquity, that it remained in existence through all the periods of Phenician history, that it was rooted deeply enough to outlive even the independence of the cities.
"The History of Antiquity, Vol. II (of VI)"
Max Duncker
It was, however, a great step in advance that the idea of the Principate, expounded by Seneca, and the younger Pliny, as a clement, watchful, infinitely laborious earthly providence had been realised since the accession of Trajan.
"Roman Society from Nero to Marcus Aurelius"
Samuel Dill
It is probable, however, that this pessimism is more the result of the contrast between Seneca's ideal of the Principate, and the degradation of its power in the hands of his pupil Nero.
"Roman Society from Nero to Marcus Aurelius"
Samuel Dill