Belief in Reincarnation and Some Unresolved Questions in Catholic Eschatology: Mainstream Christianity has always rejected reincarnation teaching in all its varieties, e.g., Greco-Roman, Albigensian, Hindu, Buddhist, New Age, etc. as being incompatible with the biblical understanding of the uniqueness, dignity, and value of the human person, a teaching that is ultimately rooted in the radical understanding of divine mercy and love toward every human being proclaimed by Jesus himself.