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The Reformation · c. 1563; published 1937
The Art of Doubting and Believing
Sebastian Castellio · 1515–1563
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What it is
An argument that many scriptural questions are genuinely obscure, that certainty is not required for salvation, and that doubt is a discipline rather than a sin.
Why it lasted
Too dangerous to print in its own century, it waited nearly four hundred years for publication and reads as remarkably modern when it arrived.
Where to read it
Public domain and free to read in full, though not held here. The archives below have it.
These open a search on each archive rather than a direct link, which is the honest way to point at an edition nobody here has checked line by line.
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