This article discusses the methodology of al-MarÄghÄ« interpretation, especially in a study about the ratio. Tafsir al-MarÄghÄ« has unique characteristics. This interpretation in the reviewer's favorite by using the adab al-ijtimÄ’ī method of interpretation, brief writing style, as well as terms that are easy to understand. Al-MarÄghÄ« intentionally omit discussion of non-essential, such as nahw-á¹£arf aspects, so that the reader does not get stuck on the text but the context of interpretation. In the problem of ratio, al-MarÄghÄ« have a better opinion of the group of theologians developed in the community, according to al-MarÄghÄ« sense capable of distinguishing between God's promise to the promise of Satan, reason can also believes in ...