The Philosophy of Spiritual ActivityTRUTH AND SCIENCE1Reinhold Friedrich Alfred Hoernlé translationChapter navigation32 reading sectionsGo to chapterChoose a chapter…Front matterEDITOR’S NOTEEDITOR’S NOTE TO SECOND EDITIONPREFACE TO THE REVISED EDITION (1918)I CONSCIOUS HUMAN ACTIONII WHY THE DESIRE FOR KNOWLEDGE IS FUNDAMENTALIII THOUGHT AS THE INSTRUMENT OF KNOWLEDGEIV THE WORLD AS PERCEPTV OUR KNOWLEDGE OF THE WORLDVI HUMAN INDIVIDUALITYVII ARE THERE ANY LIMITS TO KNOWLEDGE?VIII THE FACTORS OF LIFEIX THE IDEA OF FREEDOMX MONISM AND THE PHILOSOPHY OF SPIRITUAL ACTIVITYXI WORLD-PURPOSE AND LIFE-PURPOSE (The Destiny of Man)XII MORAL IMAGINATION (Darwin and Morality)XIII THE VALUE OF LIFE (Optimism and Pessimism)XIV THE INDIVIDUAL AND THE GENUSXV THE CONSEQUENCES OF MONISMTRUTH AND SCIENCE1I PRELIMINARY OBSERVATIONSII THE FUNDAMENTAL PROBLEM OF KANT’S THEORY OF KNOWLEDGEIII THEORY OF KNOWLEDGE SINCE KANTIV THE STARTING-POINTS OF THE THEORY OF KNOWLEDGEV KNOWLEDGE AND REALITYVI THEORY OF KNOWLEDGE WITHOUT PRESUPPOSITIONS VERSUS FICHTE’S THEORY OF SCIENCEVII CONCLUDING REMARKS: EPISTEMOLOGICALVIII CONCLUDING REMARKS: PRACTICALADDITION TO THE REVISED EDITION OF “THE PHILOSOPHY OF FREEDOM,” 1918.REVISED INTRODUCTION TO “PHILOSOPHY OF FREEDOM.”PREFACE TO THE ORIGINAL EDITION OF “TRUTH AND SCIENCE”ColophonPrevious chapter ←XV THE CONSEQUENCES OF MONISMNext chapter →I PRELIMINARY OBSERVATIONSAll chapters and sections (32)Opening pagesFront matterOther sectionsEDITOR’S NOTEEDITOR’S NOTE TO SECOND EDITIONPREFACE TO THE REVISED EDITION (1918)Chapters123456789101112131415Other sectionsTRUTH AND SCIENCE1Chapters12345678Other sectionsADDITION TO THE REVISED EDITION OF “THE PHILOSOPHY OF FREEDOM,” 1918.REVISED INTRODUCTION TO “PHILOSOPHY OF FREEDOM.”PREFACE TO THE ORIGINAL EDITION OF “TRUTH AND SCIENCE”ColophonTRUTH AND SCIENCE1Notes in this chapterNote 1 · The Preface and Introduction to the original edition of “Truth and Science” are printed as Appendix III and Appendix IV at the end of this v← XV THE CONSEQUENCES OF MONISMI PRELIMINARY OBSERVATIONS →