E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Quod non fecerunt Barbari, fecerunt Barberini (What the barbarians left standing, Barberini contrived to destroy). Pope Barberini robbed the roof of the Pantheon to build the Baldacchino, or canopy of St. Peters. It is made entirely of bronze, and weighs ninety tons.