Task: Text Categorization
Input (English): This man described imagination as "nothing but decaying sense" while passions are "interior beginnings of voluntary notions" in a work that claimed covenants formed with God are meaningless. This man's best known work expands on concepts first proposed in his On the Citizen, and uses his ideas of imagination, or the "decaying sense," to analyze human motivation. This thinker described the (*) "Kingdom of Darkness" as a "Confederacy of Deceivers" and described chaos as the war of all against all. He also claimed that life in the state of nature is"solitary, poor, nasty, brutish, and short." For ten points, name this English social contract theorist and author of Leviathan.
Output (English): Social Science