Commentary on Aristotle's De Caelo

Simplicius's Commentary on Aristotle's De Caelo represents one of the most extensive ancient commentaries on Aristotle's work about the heavens and the cosmos. The text provides a line-by-line analysis of Aristotle's arguments while incorporating perspectives from other Greek philosophers. The commentary spans four books, following the structure of Aristotle's original text about celestial bodies, motion, elements, and the nature of the universe. Simplicius includes quotations from earlier thinkers whose works are now lost, making this commentary a crucial source for understanding pre-Socratic philosophy. Through his analysis, Simplicius examines core concepts like the eternity of the world, the nature of celestial movement, and the composition of physical bodies. His systematic approach combines careful textual interpretation with philosophical argument. The work stands as a testament to the Neoplatonic tradition of philosophical commentary, revealing how ancient thinkers engaged with inherited wisdom while developing their own philosophical frameworks. This text remains relevant for studies in classical philosophy, cosmology, and the history of scientific thought.

This text has very limited public reader reviews available online due to its specialized academic nature as an ancient philosophical commentary. Readers highlight Simplicius' detailed preservation and discussion of earlier Greek commentators' views on Aristotle's De Caelo. Philosophy scholars note his thorough analysis helps reconstruct lost texts and arguments from pre-Socratic thinkers. Common criticisms focus on the dense technical language and assumption of prior knowledge that makes it challenging for non-specialists. Some readers point out the English translations can be inconsistent in quality across different editions. No ratings exist on mainstream review sites like Goodreads or Amazon. The book is primarily discussed in academic journals and philosophy forums rather than consumer review platforms. Most engagement comes from university students and researchers studying ancient Greek philosophy, who value it as a source document but acknowledge its limited accessibility for general readers.

On the Heavens by Aristotle The original text that Simplicius commented on provides fundamental ancient Greek cosmological and astronomical theories with detailed arguments about the nature of celestial bodies.

Commentary on the First Book of Euclid's Elements by Proclus This philosophical commentary examines mathematical principles through Neoplatonic interpretation and connects geometry to metaphysical concepts.

On the Nature of Things by Lucretius This exposition presents Epicurean physics and cosmology with systematic arguments about matter, void, and celestial phenomena.

The Almagest by Ptolemy This comprehensive astronomical treatise presents mathematical models for celestial movements with detailed geometric demonstrations.

Physics by Aristotle This foundational text establishes the principles of change, motion, and causation that underpin ancient Greek natural philosophy.

🌟 Simplicius wrote this commentary while in exile in Persia around 532 CE, after Emperor Justinian banned pagan teaching in Athens 🌟 The text preserves numerous fragments from lost pre-Socratic works, particularly those of Empedocles and Parmenides, which would otherwise be unknown to us today 🌟 This commentary is one of the most detailed ancient explanations of Aristotle's views on the cosmos, including his arguments for why the Earth must be spherical and stationary 🌟 The work demonstrates Simplicius's unique approach of trying to harmonize Platonic and Aristotelian philosophy, rather than seeing them as opposing systems 🌟 The original Greek manuscript survived thanks to Byzantine scholars who preserved and copied it, with the first Latin translation appearing in the 16th century