Contents: Remarks on the Analysis and Classification of the Emotions- Factors of Emotion- Essential Nature of Emotion- On the Nature of Desire and Its Relation to Emotion and to Pleasure and Pain- Definition of Emotion and the Principal Emotions and Their Elements- Subdivisions of the Principal Emotions- Certain Possible Objections- Emotions and Character or Virtues and Vices- Complex Emotions- Correspondence of Emotions- Sublimation of Emotions- Emotion in Art- Place of Emotion in Human Life and Its Pabulum- High Application of the Science of the Emotions.