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.