Severus , having been recovered from a severe fit of sickness by a Christian, became a great favorer of the Christians in general; but the prejudice and fury of the ignorant multitude prevailing, obsolete laws were put in execution against the Christians. The progress of Christianity alarmed the pagans, and they revived the stale calumny of placing accidental misfortunes to the account of its professors, A.D. 192. But, though persecuting malice raged, yet the Gospel shone with resplendent brightness; and, firm as an impregnable rock, withstood the attacks of its boisterous enemies with success. Tertullian, who lived in this age, informs us that if the Christians had collectively withdrawn themselves from the Roman territories, the empire would have been greatly depopulated. Victor, bishop of Rome, suffered martyrdom in the first year of the third century, A.D. 201. Leonidus, the father of the celebrated Origen, was beheaded for being a Christian. Many of Origen's hearers likewise suffered martyrdom; particularly two brothers, named Plutarchus and Serenus; another Serenus, Heron, and Heraclides, were beheaded. Rhais had boiled pitch poured upon her head, and was then burnt, as was Marcella her mother. Potainiena, the sister of Rhais, was executed in the same manner as Rhais had been; but Basilides, an officer belonging to the army, and ordered to attend her execution, became her convert