Iqbal recovers Ash'arite atomism — the doctrine that the world is made of discrete pulses of divine creative energy rather than self-subsisting matter — as a genuinely Islamic philosophical achievement that anticipates Planck's quantum of action. The atomistic theory becomes the mechanism by which continuous creation operates.
Section 3 established that creation is not a past event but a continuous act — that the world is not a manufactured article abandoned by its maker but an ongoing expression of divine creative energy. That section answered the question whether God creates continuously. Section 4 now asks the logically subsequent question: how does that continuous creative activity proceed? What is the method of creation?
Iqbal's answer is drawn from the most orthodox school of Sunni theology — the Ash'arites — and it is, at first glance, surprising. The Ash'arites hold that creation proceeds atomically: the world is composed of infinitely small, indivisible units (jawāhir) that are continuously brought into existence by God. This is not the Greek atomism of Democritus, in which eternal, self-subsisting particles drift through a void. It is a radically different conception in which the atoms have no independent existence at all — they lie dormant in the creative energy of God until He imposes the quality of existence upon them. The atom, in its essence, has position but no magnitude; space itself is generated only when atoms aggregate. What we call a 'thing' is not a substance but an aggregation of what Iqbal, following the logic of the Ash'arite position, calls 'atomic acts' — discrete pulses of divine creative energy made visible.
The section advances through four connected moves. First, Iqbal identifies the Qur'anic basis of Ash'arite atomism (15:21) and frames the rise of atomism in Islam as 'the first important indication of an intellectual revolt against the Aristotelian idea of a fixed universe.' This framing is crucial: it positions Islamic atomism not as a derivative curiosity but as an original philosophical achievement — a genuinely new way of thinking about the structure of reality that has no precedent in Greek thought.
Second, Iqbal gives a compressed history of the tradition, naming Abū Hāshim of the Basran school, Bāqillānī of the Baghdad school, and Maimonides as its principal expositors — and then turns on the Orientalist scholar Duncan Black Macdonald, who, despite admitting that Islamic atomism has no Greek precedent, refuses to credit Muslim originality and instead attributes the theory to Buddhist influence. Iqbal's irritation is palpable. The passage is one of the sharpest critiques of Orientalist scholarship in the entire Reconstruction.
Third, Iqbal lays out the core propositions of Ash'arite atomism: the world is compounded of jawāhir; the number of atoms is infinite because God's creative activity is ceaseless; fresh atoms come into being every moment; the essence of the atom is independent of its existence; existence is a quality imposed by God; the atom has position but no magnitude; and space is generated by aggregation. Each of these propositions carries philosophical weight that Iqbal expects his audience to feel.
Fourth, Iqbal draws a startling connection to modern physics. Ibn Ḥazm's observation that the Qur'an makes no difference between the act of creation and the thing created leads to the concept of the 'atomic act' — and this, Iqbal notes, is precisely what modern physics is groping toward in Planck's theory of quanta, where the fundamental unit of physical reality is not a particle of matter but a quantum of action. The section ends with Eddington's acknowledgment that the precise formulation of the quantum of action has not yet been achieved — leaving the door open for future reconstruction.
The section is the most historically and scientifically dense passage in Lecture III so far, and it serves a dual function. Philosophically, it provides the mechanism through which continuous creation operates. Polemically, it reclaims a major intellectual achievement for the Muslim tradition against Orientalist attempts to deny it. Both functions are essential to Iqbal's larger project: the Reconstruction must demonstrate that the Islamic intellectual tradition already contains resources adequate to modern challenges — resources that need to be reconstructed, not borrowed from elsewhere.
‘And no one thing is here, but with Us are its store-houses; and We send it not down but in fixed quantities’ (15:21).