



Produced by eagkw, Greg Bergquist and the Online Distributed
Proofreading Team at http://www.pgdp.net (This file was
produced from images generously made available by The
Internet Archive/American Libraries.)







  HUMAN LIFE

  BY
  S. S. KNIGHT

  [Illustration]

  NEW YORK
  R. F. FENNO & COMPANY
  18 EAST 17TH STREET




  COPYRIGHT, 1910,
  BY S. S. KNIGHT




CONTENTS


  CHAPTER                                               PAGE
     I. THE HABITAT OF MAN                                 9
    II. THE LENGTH OF TIME DURING WHICH MAN HAS EXISTED   29
   III. THE PHYSICAL LIMITATIONS OF EXISTENCE             56
    IV. THE PURPOSE OF LIFE                               76
     V. KNOWLEDGE AND EDUCATION                           99
    VI. RELIGION AND ETHICS                              120
   VII. LOVE                                             156
  VIII. PROBLEMS OF THE FUTURE                           180




DEDICATION


This volume is dedicated to my Mother and my Wife--the two women whose
influence has most largely shaped my life, and whose companionship
has afforded me so much happiness. It was written with the hope that
it might be of value to my two children, and may they find as much
happiness in life as has the author.




HUMAN LIFE




CHAPTER I

THE HABITAT OF MAN


In reviewing the facts concerning humanity, which are well
