"They say that the blessed Pope Sylvester was the Antichrist of whom mention is made in the Epistles of St. Paul as having been the son of perdition.[They also say] that the keeping of the Sabbath ought to take place." Ecclesiastical History of the Ancient Churches ofPiedmont," p.169 (by prominent Roman Catholic author writing about Waldenses) And when he had opened the fifth seal, I saw underthealtarthe souls of them that were slain for the word of God, and for the testimony which they held: Revelation 6:9