With 'evidence I really mean something else which is NOT the gospel, just any other source which is not related to the Bible or to any other religious book like the Quran.
There is more or less nothing, there is no independent, no neutral source as far as I know, which proves that Jesus even existed.
To claim Jesus did exist as a man because it is mentioned in the Gospel is not a proof.
About blasphemers etc. I think there is nothing wrong to ask questions if there is doubt. And there is reasonable doubt.
For example this survey claims that 22 percent of adults in UK do not believe that Jesus was a real person...
https://www.history.com/news/was-jesus- ... l-evidence
The Bible Says Jesus Was Real. What Other Proof Exists?
Some argue that Jesus wasn't an actual man, but within a few decades of his lifetime, he was mentioned by Jewish and Roman historians.
CHRISTOPHER KLEIN UPDATED:MAR 24, 2021 ORIGINAL:FEB 26, 2019
While billions of people believe Jesus of Nazareth was one of the most important figures in world history, many others reject the idea that he even existed at all. A 2015 survey conducted by the Church of England, for instance, found that 22 percent of adults in England did not believe Jesus was a real person.
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Documentary evidence outside of the New Testament is limited.
The most detailed record of the life and death of Jesus comes from the four Gospels and other New Testament writings. “These are all Christian and are obviously and understandably biased in what they report, and have to be evaluated very critically indeed to establish any historically reliable information...