THE MYTH OF “DECLINE AND FALL” by Edward Champlin (1996).
"Everyone knows that the Roman Empire “declined and fell.” The title of Edward Gibbon’s 18th-century masterpiece The Decline and Fall of the Roman Empire is part of Western cultural consciousness. There is something deeply thrilling about the notion: Rome, the largest political and economic unit in the world before the year 1000, fell; are we too doomed to lose our power, our culture, even our memory?"
"But the notion of decline is an extremely difficult one. A political unit may indeed “fall” because of complex political, social, and economic reasons. The real problem comes when we, like the Romans, do not understand these reasons and, like the Romans, equate decline with moral decline."
"In the end, “Rome” did not decline; it changed, as all cultures must. "