Here he points out that the spiritualist vision of the afterlife has been generated over the past 150 years through the testimony of ostensible spirits speaking through trance mediums. This literature has been extensively scrutinized by scientists and, in the best instances, is often accompanied by information that offers evidence of either an afterlife or [...]

Here he suggests that most people, without necessarily realizing it, are philosophical dualists. They accept intuitively that the mind or soul is of a completely different nature than the physical body. Unlike monistic materialism, dualism seems compatible with the empirical data of parapsychology. The problem with dualism, however, is that it offers no good explanation [...]