The manly pride of the Romans, content with substantial power, had left to the vanity of the East the forms and ceremonies of ostentatious greatness. But when they lost even the semblance of those virtues which were derived from their ancient freedom, the simplicity of Roman manners was insensibly corrupted by the stately affectation of the courts of Asia.

The History of the Decline and Fall of the Roman Empire. The 2. Ed. - London, W. Strahan 1776-1788 (ed. 1781)