Our inquiry in this article focuses on one such instance—a phrase of just three words and seven core letters, nestled within Surah Yā-Sīn. We have, in the preceding chapters, assembled the Great Solar Engine from the Creator’s blueprint. Now, we will examine its source code. It is a phrase that describes the majestic, ordered motion of celestial bodies within our established cosmos. And upon closer examination, we will find that the phrase itself performs a structural orbit, a perfect palindromic dance that encodes the cosmic law it articulates, providing a stunning internal confirmation of the blueprint’s own mechanics. Let us proceed to dissect this marvel, for in the phrase Kullun fī falakin—"Each in a circuit"—lies a universe of meaning.

We turn to the 36th chapter of the Qur’an, Surah Yā-Sīn, a chapter often called the "Heart of the Qur’an" for its powerful exposition of Resurrection, Revelation, and the signs of Allah in creation. Verse 40 presents a stunning depiction of the perfect regulation that governs the Great Solar Engine:

لَا الشَّمْسُ يَنبَغِي لَهَا أَن تُدْرِكَ الْقَمَرَ وَلَا اللَّيْلُ سَابِقُ النَّهَارِ ۚ وَكُلٌّ فِي فَلَكٍ يَسْبَحُونَ

Lā sh-shamsu yanbaghī lahā an tudrika l-qamara wa lā l-laylu sābiqu n-nahār. Wa kullun fī falakin yasbaḥūn.

"It is not for the sun to overtake the moon, nor does the night outstrip the day. And each, in a circuit, is swimming." (Surah Yā-Sīn, 36:40)

The verse begins by establishing a law of non-interference and perfect regulation within the cosmic machine. The sun and moon, the two great lamps, have their own distinct courses and divinely appointed schedules; one cannot collide with or "catch up" to the other. Likewise, the phenomena of night and day, which are the direct result of the sun’s motion above the stationary Earth, follow a precise, inviolable sequence. This opening statement establishes a theme of flawless, divinely ordained order in the cosmos. It is a direct refutation of chaos and cosmic accident. The verse then concludes with a general principle that explains how this majestic order is maintained: "And each, in a circuit, is swimming."

Let us isolate and deconstruct the concluding clause, for within its linguistic components lies a perfect, technical summary of the engine we have already built from the blueprint’s other specifications. Human language is often a blunt instrument; divine language, as we shall see, possesses the precision of an engineer’s caliper.

• Kullun (كُلٌّ): This word, with its emphatic tanwīn (nunation), translates to "all" or "each." It is a term of absolute inclusivity. In the context of the verse, it signifies that the principle to follow applies to every entity just mentioned—the sun and the moon. It establishes that both celestial lamps are subject to the same physical law, the same mode of locomotion.
• Fī (فِي): A simple locative preposition, meaning "in" or "within." Its significance lies in its power of containment. The motion being described is not aimless or boundless; it occurs within a defined domain, a specified sphere of operation. This simple word introduces the concept of a constrained path, a divine trackway laid in the heavens.
• Falakin (فَلَكٍ): This is a word of immense semantic richness and the cornerstone of the physical description. As we have established, the divine blueprint is a technical document, and its vocabulary is precise. The root F-L-K (ف-ل-ك) denotes circularity, rotation, and revolution. It is the whorl of a spindle, the churning of a millstone. The falak is the divinely appointed track, the groove on the cosmic record player, within which the sun and moon perform their annual spiral. It is the perfect word for a circular circuit above a stationary plane.
• Yasbaḥūn (يَسْبَحُونَ): This verb is the master key, the word that locks the entire blueprint together. Its primary meaning is "to swim." In the context of the globe model, this must be softened into a weak metaphor for "floating in space." But within the established reality of our reconstructed cosmos, with its solid Firmament and its upper realm of Celestial Water, the word is not a metaphor at all. It is a literal, technical description of locomotion. The sun and moon are divine vessels, sublime luminaries that are literally swimming, gliding with their own purposeful, graceful motion through the ethereal medium of the Celestial Waters. This is not poetry; it is physics. It is the blueprint describing the engine’s interaction with its environment.

When we assemble these precise linguistic components within the framework of our established blueprint, the phrase Kullun fī falakin yasbaḥūn is revealed as a perfect and concise technical summary of the Great Solar Engine: "Every single one [of these celestial lamps] is moving with its own continuous motion, literally swimming within a defined, circular circuit [above the stationary Earth and beneath the Firmament]." This single phrase, when read with the eyes of the Reconstructionist, becomes a powerful internal confirmation of the entire cosmic architecture.

In a conventional analysis, this is the stage where we would contrast the Quranic claim with the flawed human science of its time, such as Ptolemaic cosmology. But in our inquiry, we have already overturned that paradigm. We have established that the divine blueprint is the true map, and all human-devised maps—from the myths of the ancients to the "globe myth" of the moderns—are the flawed and temporary constructions.

Therefore, our baseline is not the ignorance of the 7th century, but the established truth of the reconstructed cosmos itself. The epistemological reality is that humanity, without divine revelation, is incapable of knowing the true nature of the world. All human models are born of limited perspective and philosophical bias. They look at the sky and see an empty void, because their philosophy demands an empty, godless universe. They invent complex, counter-intuitive theories like gravity and relativity to hold their globe model together, because they have rejected the simple, observable reality of the stationary foundation beneath their feet.

The "void" we are examining here is the void of human confusion. The Qur’an does not arrive to correct a specific flawed theory like Ptolemy's. It arrives to correct the entire human enterprise of independent world-building. It presents its blueprint not as a competitor, but as the final, authoritative statement from the Architect, rendering all other blueprints obsolete. The knowledge contained in this verse is not merely "inaccessible" to 7th-century man; it is inaccessible to any man, of any century, who relies solely on his own senses and intellect without the guiding light of revelation.

If the baseline is the blueprint itself, then what is the discovery that corroborates it? The discovery is not external, but internal. It is not found in a laboratory or through a telescope, but by performing a deeper, more meticulous analysis of the blueprint's own source code. The corroboration comes from the stunning realization that the text's structure perfectly embodies its physical description of reality.

The "discovery" we now present is the objective, mathematical, and undeniable palindromic structure of the key phrase Kullun fī falakin. This is not an interpretation. It is a verifiable property of the rasm, the foundational written text of the Qur’an, preserved through the ages.

As we established in the original globe-based analysis, the core letters of the phrase are:

ك (Kāf) - ل (Lām) - ف (Fā') - ي (Yā') - ف (Fā') - ل (Lām) - ك (Kāf)

Reading left-to-right: K - L - F - Y - F - L - K

The structure is a perfect palindrome, pivoting on the central letter Yā'. The sequence of letters performs a perfect circuit, moving away from the start and then returning in perfect reverse order. This objective, structural fact is the intrinsic discovery that serves as our irrefutable proof.

This is the heart of our inquiry, where the blueprint's physical description and its textual structure are fused into a single, overwhelming proof of divine authorship. The synthesis is not merely semantic; it is a holistic alignment of meaning, function, and form.

Part A: The Miracle of Functional Description

The correlation between the Qur'anic description and the mechanics of the Great Solar Engine is absolute.

• Qur'an: Kullun (Each/All)... yasbaḥūn (is literally swimming).
• Blueprint Model: Both the sun and moon, the two celestial lamps, are divine vessels navigating through the medium of the Celestial Water above the Firmament. The description is literal.
• Qur'an: ... fī Falakin (within a circular circuit).
• Blueprint Model: This motion occurs along the defined, spiraling tracks or "grooves" on the cosmic record player, which dictates the seasons and the length of days.

The verse is a perfect, economical summary of the entire celestial engine we have previously assembled. It validates and reinforces the model with breathtaking precision.

Part B: The Miracle of Structural Embodiment

Now, we overlay the intrinsic discovery of the palindrome onto this functional description. The result is a miracle of a higher order.

The phrase describing the celestial lamps moving in a circular, cyclical, perfectly balanced circuit is, itself, structurally circular, cyclical, and perfectly balanced.

The form of the phrase is a perfect mirror of its function. It is a miniature schematic of the very motion it describes. It is as if the Architect, in writing the specification for the engine’s movement, chose to draw a small, perfect diagram of that movement using the letters themselves as his ink. This is a level of compositional genius that is simply not human. It is not something that arises from the linear, sequential process of human thought and speech. It is the signature of a Mind that holds form and function, substance and structure, as a single, unified reality.

To the skeptic who would still argue that the palindrome is a "mere coincidence," our case is now even stronger. It is not just the coincidence of a palindrome appearing in a verse about orbits. It is the coincidence of a palindrome appearing in a verse that also contains the literal, technical term for swimming, which perfectly matches the description of a Celestial Water, which in turn perfectly explains the visual paradox of high-altitude balloon footage. The layers of interlocking confirmation are now so deep that the appeal to chance becomes a mathematical absurdity, a faith in chaos that is far more blind than our faith in the divine Composer.

The argument for human genius, already weak, is now rendered completely impotent. It would require us to believe that the Prophet (peace be upon him) not only conceived of a complete, alternative, and internally consistent cosmology—a feat of staggering imagination—but that in the midst of oral, piecemeal revelation, he was able to embed within it multi-layered structural and linguistic marvels, like this palindrome, that perfectly reinforced the very model he was simultaneously inventing. This is not the work of a genius. This is the work of an omniscient, all-powerful Creator who holds the entire blueprint of the book and the cosmos in His mind at once.

In the final analysis, the phrase Kullun fī falakin is a symphony in miniature. It is an orchestral masterpiece where the literal meaning (within the blueprint), the physical function (the Solar Engine), and the structural form (the palindrome) converge into a single, overwhelming proof. It stands as a timeless, unassailable testament that the Qur'an is not of this world, but from the Lord of all worlds, Who declares:

سَنُرِيهِمْ آيَاتِنَا فِي الْآفَاقِ وَفِي أَنفُسِهِمْ حَتَّىٰ يَتَبَيَّنَ لَهُمْ أَنَّهُ الْحَقُّ

"We will show them Our signs in the horizons and within themselves until it becomes clear to them that it is the truth." (Qur'an 41:53)