A historical English prayer collected in Prayers of the Middle Ages: Light from a Thousand Years, edited by J. Manning Potts.
Historical edition. Historical claims and instructions are preserved as historical context.
O Lord Jesus Christ, who didst give Thy life for us that we might receive pardon and peace; mercifully cleanse us from all sin, and evermore keep us in Thy favour and love, who livest and reignest with the Father and the Holy Spirit, ever one God, world without end. Amen.