Why Jesus Christ not mentioned in ancient history, but in the lying bible

Do any other ancient documents help to confirm the trustworthiniess of the New Testament? ... the like," there was no historical evidence for the life of Jesus outside the Bible. ... On two occasions, in his Jewish Antiquities, he mentions Jesus....In the introduction to one of his books, F.F. Bruce tells about a Christian correspondent who was told by an agnostic friend that "apart from obscure references in Josephus and the like," there was no historical evidence for the life of Jesus outside the Bible.   This, he wrote to Bruce, had caused him "great concern and some little upset in [his] spiritual life.     He concludes his letter by asking, "Is such collateral proof available, and if not, are there reasons for the lack of it?