Islamic letter mysticism

What it is

ʿIlm al-ḥurūf, the science of letters: the Islamic tradition of finding meaning in the letters of the Arabic alphabet, their numerical values, and their combinations.

It rests on the same structural fact as gematria. Arabic letters carried numerical values in the older abjad ordering — alif 1, bāʾ 2, jīm 3, dāl 4, through to ghayn at 1000 — because that is how numbers were written before Indian numerals were adopted. The values were arithmetic before they were mystical.

Where it came from

The starting point is a genuine unexplained feature of the Qurʾan itself.

Twenty-nine of its chapters open with al-muqaṭṭaʿāt, the "disconnected letters" — sequences of Arabic letters recited individually, with no known meaning. Alif Lām Mīm. Yā Sīn. Ḥā Mīm. Kāf Hā Yā ʿAyn Ṣād.

Classical commentators proposed a great many explanations — abbreviations of divine names, oaths, attention-getting devices, markers of the challenge to produce a comparable text — and the position that came to dominate is that their meaning is known to God alone. That is not evasion; it is a recorded and long-standing conclusion.

They are, straightforwardly, a mystery in a foundational text, and they gave letter speculation a warrant it did not need to manufacture.

Ibn ʿArabī (1165–1240) developed the most elaborate letter cosmology, treating the letters as articulations of the divine breath and mapping them onto the structure of existence.

Aḥmad al-Būnī (d. c. 1225) is the source of the practical tradition. His Shams al-Maʿārif sets out magic squares, talismans and letter operations, and remains simultaneously the most influential and the most religiously contested work in the field — mainstream scholars have frequently condemned this material as bordering on forbidden magic.

Ḥurūfiyya was a movement rather than a technique. Founded by Faḍlallāh Astarābādī in fourteenth-century Iran, it held that the letters were the key to reality and that God's manifestation could be read in the lines of the human face. Astarābādī was executed in 1394 and the movement was suppressed as heretical, though its ideas persisted in Bektashi Sufism.

How it is practised

Through contemplation of letter forms and values; through the recitation of the ninety-nine names of God, each with attributed effects; through the construction of magic squares and talismans in the Būnian tradition; and through ʿilm al-jafr, letter-based divination, which is treated with considerable suspicion by orthodox scholars.

Two things should be noted about how this site handles it. This is a living religious tradition, and the operative and talismanic material in particular is contested within Islam rather than merely by outsiders. No technique is set out here.

What we can and cannot say

We can say the tradition is real, textually grounded and intellectually serious, and that Ibn ʿArabī's letter cosmology is a major work of speculative theology whatever one makes of its premises.

We can say the muqaṭṭaʿāt are a genuine open question. Fourteen centuries of commentary have not produced an accepted explanation, and the honest scholarly position is that nobody knows.

We can say the modern numerical "miracle" claims fail, and they fail in an instructive way. In 1974 Rashad Khalifa, an Egyptian-American biochemist, published claims that the Qurʾan is structured on the number 19 — a number mentioned in chapter 74 — with letter counts, word counts and chapter arrangements said to be exact multiples.

The critiques are detailed and, in the view of most scholars, decisive. Making the counts work requires choices: which of several attested spellings to count, whether to include the basmalah, which manuscript tradition to follow, and — in some cases — the exclusion of verses, a step that led Khalifa to reject two verses of chapter 9 as later interpolations. That move placed him well outside mainstream Islam. He subsequently claimed to be a messenger of God, and was murdered in Arizona in 1990.

The structural problem is exactly that of the Bible Code: a long text, multiple defensible counting conventions, and freedom to select the target number produce significance on demand. The Qurʾan case and the Genesis case are the same phenomenon in two languages, and both were promoted as rigorous mathematics.

We cannot say what the disconnected letters are. That remains one of the more genuinely open questions on this site, and it deserves to be left open rather than filled in.

Further reading

• Pierre Lory and Denis Gril's scholarship on Islamic letter symbolism and Ibn ʿArabī.
• Noah Gardiner's work on al-Būnī and the reception of the Shams al-Maʿārif.
• Critical analyses of the "code 19" claim, which are widely available and work through the counting choices.