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In page Jesus Prayer:

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A number of different repetitive prayer formulas have been attested in the history of Eastern Orthodox monasticism: the Prayer of St. Ioannikios the Great (754–846): "My hope is the Father, my refuge is the Son, my shelter is the Holy Spirit, O Holy Trinity, Glory unto You", the repetitive use of which is described in his Life; or the more recent practice of Nikolaj Velimirović.[citation needed]