Quo Vadis (1951)

Other mistake: When one of the Christians is being crucified and burnt, we can see that just after the man's "death" the body is substituted by a plastic doll covered in red paint.

Petronius: It is not enough to live well. One must die well.

Trivia: Galva, the general who claims the emperor's throne after Nero's death, didn't last long as an emperor himself: just four months later, he was murdered by his Pretorian Guardsmen.