Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This man argued against excess thrift as destroying the motive to produce in a book that shared a title with a David Ricardo work, Principles of Political Economy. This man's 1796 pamphlet ""The Crisis"" supported the Poor Laws, though he later argued that they limited the mobility of labor, and this man encouraged workhouses in which ""fare should be hard. "" In this man's most famous work, he argued that vice, misery, and self-control could regulate the phenomenon that he believed prevented the future improvement of society. For 10 points, name this English economist who postulated that population growth will always tend to outrun the food supply and wrote An Essay on the Principle of Population.
Social Science