The reason I would argue that the Gospels are reliable from a historical point of view is because I belive that points 1,2 and 3 are ture:
1 the authors intended to report what actually happened
2 The authors had access to reliable sources.
3 So if an author tries to be accurate and has reliable sources it follows (inductively) that his work is reliable.
if you disagree with ether 1,2 or 3 please let me know why you disagree.
1 the authors intended to report what actually happened
Given the literary genera of the text (Greco roman biography) and the fact that the gosspels are fool of embarrassing details* it seems probable that point 1 is true
2 The authors had access to reliable sources.
Given that most of the political, historical, demographic and geographical details** in the gospels are accurate … it seems probable that the authors had access to good sources, otherwise they would have not known those details.
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*Embarrassing details: Jesus had a humiliating death, Peter denied Jesus, The empty tomb was discovered by woman, he was buried in the tomb of a Jewish Sanhedrin, Jesus had limited knowledge, etc. all these details represented obstacles for the early Christians, (things would have been easier without those embarrassing details)
** There really was a Pilate, there really was a Caiphas, the ratio of common names vs uncommon names are consistent, there really was a Jewish Sanhedrin that had some power and influence over the romans, they villages, towns cities etc. really excisted…………onlyh someone who was there or who had acces to reliable source could have known all these.
Harcourt Fenton Mudd programmed robots to serve him. Spock said "logic is a little bird tweeting in a tree" and in another show, asked them to compute the last digit of pi (there is no last digit). Mudd said "everything I say is a lie" (robot responded..."but if everything you say is a lie, and you are lying when you say that, then everything you say is the truth."
What the poor robot didn't understand is that sometimes we can lie and sometimes we can tell the truth.
Some things in the bible are completely accurate. For example, the bible speaks of cities that exist no longer. Yet, when we use the bible to trace where they might be, we often find them. So, the bible has been shown to be historically accurate about the location of ancient cities.
The apostles all died out by the time the bible was written, some 100 years or more after the death of Jesus. So they could not have all gotten together to give their versions of events for the bible 100 years or so after everyone was dead.
But we could argue that the bible was written to be perfect by divine intervention (God telling the author or guiding the hand of the author).
Yet , many parts of the bible have errors, so, if it was divinely inspired, it must be perfect, yet it has errors, so it must not have been entirely divinely inspired.
Example of a bible error:
Gen 1:25: Man created before animals..
Gen 2:18: Man created after animals
Also, kings and clergy changed certain passages of the bible. So we know that mankind, with an agenda, which redacted the words of God, must be wrong. So the bible is wrong. Since the only thing that we know about God is contained in the bible(s), we can't trust our belief in God.
However, there is a way to get the truth. We could get the truth directly from God, himself.
Writhing on the floor, speaking in tongues, lkjlsdfjsljflsdkj, there you have it, the truth, directly from God.
Or, you can go to a psychic and see what the real truth is.
But, you would have to go to a psychic who is reliable.
Before the war in Iraq, God gave divine insight to the world's best psychics. They predicted all of the things that were predicted in Revelation. Revelation said not to attack Iraq. Apparently God was right and President W. Bush was wrong....Iraq was completely innocent of terrorism. Revelation also said that W. Bush was the beast and Bush senior (his father) was the dragon, and that both the beast and dragon are Satanic demons from the bottomless pit of hell.
So, if you believe that Satanic beings were supported by the Religious Right, and elected to the presidency, then you can believe in God. Otherwise, you cannot.