SparkNotes: Heart of Darkness: Themes, Motifs & Symbols http://www.sparknotes.com/lit/heart/themes.html SparkNotes: Heart of Darkness: Themes, Motifs & Symbols http://www.sparknotes.com/lit/heart/themes.html SparkNotes: Heart of Darkness: Themes, Motifs & Symbols http://www.sparknotes.com/lit/heart/themes.html#6 Themes, Motifs & Symbols http://www.sparknotes.com/lit/heart/themes.html SparkNotes: Heart of Darkness: Themes, Motifs & Symbols