The rule "what makes one liable for correct cases, applies to incorrect cases too" is an invaluable rule in jurisprudence where bargains are studied; it also occupies significant role in civil law. After presenting a brief review of the related literature for the above-mentioned rule, and describing the prominent place that it holds in the rules of jurisprudence regarding bargains, the aim of the following essay is to discuss the different aspects of the rule. Here, we have described and clarified the conceptual framework of the key terms such as liability and sated the reasons claimed to support the above-mentioned rule in the Shiite and the Sunnite jurisprudence.