Virtually all of Christendom proclaims that Jesus was raised from the dead on the first day of the week, and on this conviction rests one of the primary arguments for Sunday being “the Lord’s Day” and thus the day on which Christians should come together in weekly worship services.

It may be mainstream Christianity’s most important dogma, but where does trinitarianism come from, and what does the Bible have to say about it?

Most religious faiths, including those that view the Bible as a holy book, teach that as humans we possess an immortal soul. Where did that idea come from? Is it biblical?

Several major religions today teach the immortality of the soul, though each puts its own fingerprint on the idea.