the sunshine of my life in happy days, my brave
comrade in the storms of the world-catastrophe, with
love and gratitude I dedicate this book which helped
both her and me to endure the dark years when we
were homeless wanderers.

Madrid, September 26th, 1916


CONTENTS

CHAPTERPAGE
1. The Phenomenon of Morality[1]
2. The Immanence of the Concept of Morality[46]
3. The Biological Aspect of Morality[84]
4. Morality and Law[115]
5. Individual Morality and Collective Immorality[144]
6. Freedom and Responsibility[185]
7. Morality and Progress[215]
8. The Sanctions of Morality[247]

MORALS AND THE
EVOLUTION OF MAN


CHAPTER I