The Dialogue

work by Catherine of Siena

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June 25, 2026

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The Dialogue is a significant work by Catherine of Siena, an Italian mystic and Dominican tertiary who lived in the 14th century. This book, also known as The Book of Divine Doctrine, is one of her key writings that led to her being declared a Doctor of the Church.12

The dialogue format, a literary device used to present ideas through conversation, allows Catherine to explore spiritual concepts. In The Dialogue, she dictated her ecstatic experiences and mystical insights, illustrating her doctrine of the "inner cell" of knowing God and oneself. This work, along with her prayers and letters, holds special authority in Roman Catholicism. Catherine was also a reformer and political activist, known for her holiness and spiritual visions.34512

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St. Catherine of Siena
Ministry and defense of the papacy
…Siena, during which she completed The Dialogue (begun the previous year), she went to Rome in November, probably at the invitation of Pope Urban VI, whom she helped in reorganizing the church. From Rome she sent out letters and exhortations to gain support for Urban; as one of her last…
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…Siena, during which she completed The Dialogue (begun the previous year), she went to Rome in November, probably at the invitation of Pope Urban VI, whom she helped in reorganizing the church. From Rome she sent out letters and exhortations to gain support for Urban; as one of her last…
Read More