Areopagitica · ¶19

By this time the emperors were become Christians, whose discipline in this point I do not find to have been more severe than what was formerly in practice. The books of those whom they took to be grand heretics were examined, refuted, and condemned in the general Councils; and not till then were prohibited, or burnt, by authority of the emperor. As for the writings of heathen authors, unless they were plain invectives against Christianity, as those of Porphyrius and Proclus, they met with no interdict that can be cited, till about the year 400, in a Carthaginian Council, wherein bishops themselves were forbid to read the books of Gentiles, but heresies they might read: while others long before them, on the contrary, scrupled more the books of heretics than of Gentiles. And that the primitive Councils and bishops were wont only to declare what books were not commendable, passing no…

John Milton · Gutenberg #608 · print exemplar unidentified
Project Gutenberg #608, updated 23 February 2013; produced by Judith Boss and David Widger
Passage preview. Read in context for the complete text, notes and references.