“Christus, the founder of the Christian name, was put to death by Pontius Pilate, procurator of Judea in the reign of Tiberius. But the pernicious superstition, repressed for a time, broke out again, not only through Judea, where the mischief originated, but through the city of Rome also. Cornelius Tacticus

Tacticus of course is not writing as a follower or believer. He describes Christinaity as a superstition.