Daubing the Letter with dirt Ideological evolution of a writing concept

There are many traditions that gradually move from the realm of knowledge and experience to the realm of ideology or religion. Daubing the letter with dirt is one of the traditions of codicology and writing that has gradually turned from an experimental act into a religious belief. In this article, by examining ancient Persian and Arabic texts, we try to show why the tradition of daubing the letter with dirt was created. In the following, we show how this writing tradition, which was related to the field of letter writing, has gradually taken a religious and faith form in religious texts and it has become a kind of recommended practice. Through this study, it is possible to understand how a scientific belief becomes a religious construction after going through various stages and entering religious texts, and as a result, various types of superstitions are formed. . . . . . .