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Commentarii in Isaiam (Internet Archive — Migne PL 24)
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Latin
1865
Migne's Patrologia Latina volume 24 in the University of Toronto scan of the 1865 Jerome set: the commentaries on Isaiah and on Jeremiah in Vallarsi's text, with his prefaces and notes. Original Latin, no English; the Isaiah commentary fills most of the volume.
Much harder than the work: Original Latin, no English translation.
Commentary on Isaiah
by Jerome
Should I read this?
Eighteen books on Isaiah, Jerome's longest commentary, each passage expounded from the Hebrew and the Greek, the literal sense and then the spiritual, with his Jewish teachers' readings beside the church's. In Latin only here; for scholars.
How it proceeds
Independent intensities, 0–5 — what the work is made of, not how good it is.
Jerome's Commentary on Isaiah represents the culmination of the great translator's exegetical work, composed between 408 and 410 during his final years in Bethlehem. Written as the Roman Empire convulsed under barbarian invasions and personal attacks mounted against Jerome's scholarship, this commentary emerged from decades of Hebrew study and pastoral concern for Christians struggling to understand Old Testament prophecy. Jerome undertook this massive work partly to demonstrate his mastery of Hebrew against critics who questioned his linguistic competence, and partly to provide the Latin church with a sophisticated interpretation of Isaiah's complex prophetic vision.
The commentary combines Jerome's three great strengths: his unparalleled knowledge of Hebrew among Latin fathers, his familiarity with Jewish interpretive traditions, and his ability to synthesize multiple levels of meaning. Jerome consistently provides the Hebrew text alongside the Latin, explaining textual variants and translation difficulties with technical precision. He draws extensively on Jewish teachers and written sources, particularly for historical and geographical details, while simultaneously offering christological readings that see Christ prefigured throughout Isaiah's prophecies. The work moves systematically through Isaiah's text, addressing both immediate historical contexts—the Assyrian crisis, the Babylonian exile, the return under Cyrus—and their fulfillment in Christian history. Jerome's treatment of the Suffering Servant passages demonstrates his exegetical method at its most sophisticated, weaving together literal, typological, and spiritual interpretations without losing sight of the prophet's original message to ancient Israel.
This commentary established Jerome as the premier biblical scholar of the ancient church and provided medieval and Reformation exegetes with their primary patristic resource on Isaiah. Its combination of linguistic precision and theological depth influenced centuries of Christian interpretation of Old Testament prophecy. Who should read this: serious students of biblical interpretation seeking to understand how the ancient church read prophetic literature, and those interested in the development of Christian hermeneutics. This is not introductory material, but rather advanced exegetical work requiring familiarity with patristic theology and comfort with detailed textual analysis.
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