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The Library

Forty Centuries of Christian Writing

1774 works catalogued century by century, from the literature the Bible was written among to the present — each with a note on what it is, why it lasted, and where to read it.

1201–1300

The Thirteenth Century

1 work

c. 1240–1250

Latin

The Book of the Two Principles

Liber de Duobus Principiis

Anonymous

A scholastic defence of two eternal principles, good and evil, arguing that a wholly good God cannot be the origin of a world containing so much wrong.

Cathar · TheologyRead elsewhere