Most Christians should probably call themselves "Paulians" since they side with Paul over Jesus on the question of how to get to heaven.
Observe that Paul states:
Romans 10:13: "Everyone who calls on the name of the Lord will be saved."
However, Paul directly contradicts the guy that he claims is his savior, since Jesus says:
Matthew 7:21-23: "NOT EVERYONE who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only the one who does the will of my Father who is in heaven. Many will say to me on that day, ‘Lord, Lord, did we not prophesy in your name and in your name drive out demons and in your name perform many miracles?’ Then I will tell them plainly, ‘I never knew you. Away from me, you evildoers!’
Clearly in Matthew 7, Jesus is stating that many people will call on his name and perform actions in his name, and yet, they will not go to heaven. Yet the majority of Christians (especially Protestants) believe Paul over the guy they claim is their savior. Why do I, as an agnostic, care? Well, it's amusing to me to watch Christians ignore all of the verses where Jesus clearly teaches that good works are necessary to go to heaven. Just another example of the intellectual dishonesty of many Christians. Not only do they willfully ignore the overwhelming scientific evidence for evolution, they also willfully ignore the words of Jesus himself. Strange, isn't it?