To an extent, all theories about mythology follow a comparative approach: as the scholar of religion Robert Segal notes, "by definition, all theorists seek similarities among myths".
在一定程度上，所有有关神话的理论都遵循了比较的研究方法：如宗教学者罗伯特·西格尔指出的那样，“按照定义，所有（神话）理论家都在寻找神话中的相似点。