The "Rules of Acquisition" are a set of guidelines used by the Ferengi, a fictional alien species in the Star Trek universe. These rules serve as principles for business and trade, emphasizing profit and cunning in commercial dealings. There are a total of 285 rules, each reflecting the Ferengi's values and their pursuit of wealth. The rules are often quoted by characters like Quark, a Ferengi bartender and businessman, who uses them to navigate various situations. The rules highlight themes of capitalism and morality, showcasing the Ferengi's unique perspective on business ethics within the Star Trek narrative.