History of the Roman Empire founder of the brief Flavian dynasty, to be followed by the Nerva–Antonine dynasty which produced the "Five Good Emperors": Nerva, Trajan, Hadrian, Antoninus Pius and the philosophically inclined Marcus Aurelius. In the view of the Greek historian Dio Cassius, a contemporary observer, the accession of the emperor Commodus in 180 AD marked the descent "from a kingdom of gold to one of rust and iron"—a famous comment which has led some historians, notably Edward Gibbon, to take Commodus' reign as the beginning of the decline of the Roman Empire. In 212, during the reign of Caracalla, Roman citizenship was granted
Decline and Fall of the Freudian Empire as a popularization of Eysenck's articles and books criticizing psychoanalysis, and wrote that it was "not really meant for academic consumption." He criticized Eysenck's account of psychoanalytic therapy, writing that it bore little resemblance to modern psychoanalytic therapy, and wrote that Eysenck evaluated psychoanalysis using experimental evidence that was not methodologically adequate, or which in some cases actually provided weak support for psychoanalytic concepts such as repression. The psychologist Stephen Frosh described "Decline and Fall of the Freudian Empire" as one of a number of books in which Eysenck acted as a "propagandist" for the view that psychoanalysis is unscientific