In From the Closed World to the Infinite Universe, Alexander Koyré traces the decisive transformation of European thought from a finite, hierarchical, and qualitative cosmos to an infinite, homogeneous, and geometrically articulated universe. Through exacting readings of Copernicus, Bruno, Kepler, Galileo, Descartes, and Newton, he demonstrates that the Scientific Revolution was above all a metaphysical and mathematical reformation—the 'destruction of the cosmos' and the birth of abstract space. Koyré's style is lapidary, precise, and deeply intertextual; he moves between scholastic commentaries and early modern treatises to show how notions of infinity, uniformity, and law displaced Aristotelian physics. Trained as a philosopher and historian of science, Koyré brought phenomenological acuity to the textual archives of early modernity. A Russian-born scholar working chiefly in France and later lecturing widely abroad, he had already produced seminal studies on Galileo and Kepler. That prior work, and his sensitivity to metaphysical commitments, prepared this synthetic, programmatic book. This classic rewards readers in history and philosophy of science, intellectual history, and cosmology. It provides rigorous orientation for newcomers and a bracing thesis for specialists to contest or extend. Read it to understand not experiments alone, but the conceptual architecture that made modern science possible. Quickie Classics summarizes timeless works with precision, preserving the author's voice and keeping the prose clear, fast, and readable—distilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.