"The Instrumentality of Mankind" is a science fiction novel by Cordwainer Smith, set in a distant future where humanity has evolved and is governed by powerful entities known as the Instrumentality. This organization oversees the welfare of humanity, ensuring that individuals are guided towards a greater purpose, often at the cost of personal freedom. The narrative explores themes of identity, sacrifice, and the nature of existence. Through various characters and their experiences, the story delves into the complexities of human emotions and the moral dilemmas faced when balancing individual desires against the collective good of the Instrumentality.