Nihilism and/or community. The European matter. The gift of the in-common. Touching on different themes and authors, the papers presented here probe the prolificness that the terms sacred and community could have &; if subtracted from the game of reactive nihilism &; in checking the violence of the diverse political and religious ideologies that the West administers. An escape opens in the implementation of critical thinking and ethical behaviour that involve the &;sacrifice&; of thought and of the thinking subject. The disputing, therefore, of all the semantics of the logic of the recognition and the convenience that regulate life in advanced democracies.