They all believe in some form of heaven and hell. They all believe that
people will be resurrected and face a type of judgment day where they meet god and are rewarded for their good deeds or made to take responsibility for their wicked ways. All three religions say that once someone has died they are not just gone forever, when they die they do not just enter eternal darkness. It is amazing how religions can seem so distinctly different, while still being unbelievably