Et tacens vetustos immanium tyrannorum annos, qui in aliis longe positis regionibus vulgati sunt, it ut Porphyrius rabidus orientalis adversus ecclesiam canis dementiae suae ac vanitatis stilo hoc etiam adnecteret: "Britannia", inquiens, "fertilis provincia tyrannorum".
• Translation: I shall also pass over the bygone times of our cruel tyrants, whose notoriety was spread over to far distant countries; so that Porphyry, that dog who in the east was always so fierce against the church, in his mad and vain style added this also, that "Britain is a land fertile in tyrants."

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "Et tacens vetustos immanium tyrannorum annos, qui in aliis longe positis regionibus vulgati sunt, it ut Porphyrius rabidus orientalis adversus ecclesiam canis dementiae suae ac vanitatis stilo hoc etiam adnecteret: "Britannia", inquiens, "fertilis provincia tyrannorum".
• Translation: I shall also pass over the bygone times of our cruel tyrants, whose notoriety was spread over to far distant countries; so that Porphyry, that dog who in the east was always so fierce against the church, in his mad and vain style added this also, that "Britain is a land fertile in tyrants."" in the context of "Section 4.
• Gildas's quotation is in fact from St. Jerome's Epistula 133.9." to mean that wisdom is timeless.