Ancient witnesses did not all have to be recovered from a lost manuscript. Jewish communities possessed a living tradition of interpretation that Christian scholars had often condemned without learning to read. Johann Reuchlin (1455–1522) argued that Christians needed Hebrew, and his grammatical work helped them begin. The language opened Scripture to closer study while also giving access to books whose claims could not be reduced to familiar Christian teaching.
Reuchlin was particularly drawn to Kabbalah, Jewish teachings about God and Scripture. In On the Wonder-Working Word and On the Art of the Kabbalah, he explored the significance of Hebrew letters and divine names. Properly understood, he believed, sacred speech disclosed divine power as well as describing God. Reuchlin believed this learning could illuminate Christianity and confirm its claims.
That expectation made him an attentive student, though it also shaped what he wanted to find. Jewish teachers did not understand their traditions as incomplete statements of Christian doctrine. Reuchlin’s respect for their learning therefore coexisted with an interpretation they had no reason to share. He learned from a tradition whose own scholars would not accept the Christian conclusion he drew from it.
The value he placed on Jewish books became a public matter when proposals for their confiscation and destruction gathered support. Reuchlin opposed indiscriminate suppression, and the controversy spread well beyond his study. Books that Christian authorities regarded as religiously mistaken might nevertheless contain knowledge they could not replace. His defence helped make the preservation of those books a question about the responsibilities of scholarship as well as the boundaries of belief.