Sigmund Freud, in his book "Civilization and Its Discontents," states that people are unhappy due to the establishment of society which creates restraints on their instinctive impulses. On the other hand, Friedrich Nietzsche, in his book, "On the Genealogy of Morality," says that there is hope for happiness in the future. ... According to Freud, a person's Eros comes from the love for someone who protects him or her. ... A child, when prevented from their instinct of aggressiveness for the first time, develops a feeling of aggression toward the authority, which is his father. ... That ma...

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• Grade Level: Undergraduate