De l’institution…de l’Eucharistie

work by Mornay

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June 25, 2026

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Philippe de Mornay's De l'institution de l'Eucharistie (1598) was a significant work that attacked Roman Catholic eucharistic doctrine. Mornay, a prominent French diplomat and a staunch advocate for the Protestant cause during the French Wars of Religion, wrote this treatise after King Henry IV of France reconciled with the Roman Catholic Church.1

The Eucharist, or Lord's Supper, is a central ritual in Christianity, commemorating Jesus' Last Supper. While Protestants generally rejected the Roman Catholic doctrine of transubstantiation, they differed on their interpretation of Christ's presence in the Eucharist. Mornay's work contributed to these theological debates, highlighting the divisions within Protestantism regarding sacramental understanding.23

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Philippe de Mornay, seigneur du Plessis-Marly
…and the publication of Mornay’s De l’institution . . . de l’Eucharistie (1598), in which he made use of scriptural quotations in an attack on Roman Catholic eucharistic doctrine, increased the breach between them. At a public disputation at Fontainebleau in 1600 with Jacques Davy Duperron, bishop of Évreux, it…
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…and the publication of Mornay’s De l’institution . . . de l’Eucharistie (1598), in which he made use of scriptural quotations in an attack on Roman Catholic eucharistic doctrine, increased the breach between them. At a public disputation at Fontainebleau in 1600 with Jacques Davy Duperron, bishop of Évreux, it…
Read More