Most religious believers can be very critical when evaluating the plausibility of a religion other than their own. However, when it comes to evaluating the plausibility of their own particular religion, they appear to completely dispense with critical thinking. Why do you think that is so? (Or, just in case you disagree with this characterization, do you think most religious believers are objective and exercise critical thinking when evaluating the plausibility of their own particular religion?)
Tony the Mad mentioned confirmation bias earlier. I agree. Confirmation bias exists because of pride. No one wants to be told that they’re wrong about something. Once we decide that something is true, our gut reaction to anything that even hints that we could be mistaken is to disregarded it out of hand. This is the case with religious belief, but also with philosophers, scientists, teachers, politicians, parents, children… basically, all humans in all situations.
The only way to combat confirmation bias, the only way to defeat pride, is to cultivate the virtue of humility. The humble man is willing to consider that he might be wrong about something. The humble man actually listens to what another person has to say, even if he disagrees. The humble man knows that he is flawed, limited, fallible. And when he’s right, the humble man is not arrogant and does not demean those who disagree with him.
The prideful man wants people to associate the truth with him. He is deeply concerned with being right. He wants the adulation of others, praise for being intelligent, wise, knowledgeable, or whatever. He wants the truth to serve him.
The humble man does not associate the truth with his own self. He knows the truth is objective, a thing outside of his own person. He is not concerned if someone rejects the truth, because that rejection takes nothing away from him. He is not concerned with praise and adulation. He is at the service of truth.
I try to be humble rather than prideful. All too often, I fail miserably.