F. W. H. Myers 
Human Personality and Its Survival of Bodily Death [EPUB ebook] 

The question for man most momentous of all is whether or no he has an immortal soul; or—to avoid the word immortal, which belongs to the realm of infinities—whether or no his personality involves any element which can survive bodily death. In this direction have always lain the gravest fears, the farthest-reaching hopes, which could either oppress or stimulate mortal minds.