Shelley, [171], [174], [251], [282], [289], [362], [365].

Sidgwick, [441], [448].

Smith, Adam, [111].

Social activity, [108-09]; being, man as a, [81-83]; consequences of fear, [126-28]; of leadership, [121-22]; of opposition to public opinion, [103]; of pity, [124-25]; of submission, [118-19]; inertia, [37], [127], [421]; institution, the church as a, [322-28]; motive, [108-09]; sciences, [405-07]; self, [149-51], [157]; solidarity, [86-87], [181]; standards of conduct, [103-07]; value of consciousness of self, [13]; of custom, [419-20], [429]; of individuality in opinion, [144-47]; of praise and blame, [97], [101-07], [416]; of prolonged period of infancy, [12]; of pugnacity, [114-15]; of reflection, [37], [53], [59-60], [430], [434].

Socialism, [142].

Society, and education, [107-08], [158-59], [210-13]; and individual happiness, [25-26], [185]; and law, [22], [106]; based on instinct of gregariousness, [81-87]; conflict of interests in, [413-14]; control of instincts in, [20-26], [413-14].

Socrates, [103], [151], [163], [241], [366], [425], [457].

Solitude, [138].

Sorel, Georges, [133].

Specificity of instincts, [3]; of habits, [38-40].