Why Do Most Christians Believe?

Here's me summing up a discussion I saw here on Debunking Christianity:

Jim: "I believe what I was raised to believe and/or what a set of ancient pre-scientific writings say and/or what I feel must be true about the origins of the universe. In other words, what I believe is based on utterly unreliable means with little or no objective evidence."

Him: "When it comes to the origin of the universe I will wait for the final results of science since it has solved, and continues to solve, so many unanswered questions."