The Meccan Revelations: Page 53 from Volume One

The seven-rank, which has the zā’, the alif, and the lām, We made it for the divine presence in charge, i.e., it comes from the letters. And the eight-rank, which is the nūn, the ṣad, and the ḍād, We made it the share of man from the world of letters. And the nine-rank, which is the ayn, the ghān, the sīn, and the shin, We made it the share of the jinn from the world of letters, and the decimal rank, which is the rank. The second of the four levels, which are the rest of the letters, we have made them the share of angels from the world of letters. Rather, we have made these four existents of these four levels of letters based on this division of facts that are difficult for the perceiver. Their mention and explanation requires a collection of their own, but we have mentioned it so that we can complete it in the book of principles and goals in what the letters of the dictionary contain. Of the wonders and signs that are in our hands, none of them have been completed and there is no rec