“The Name of God is the content and characteristic of every text of prayer. This means that the grace-filled power of the prayer lies in the Name of God. God abides and is revealed in His Name. By calling upon the Name of God, the one praying encounters and is united with God in His Name. Calling upon the saints by means of their names and commemorating the living and the departed also have the same meaning. The name is bound up with the person of him who bears it. By calling upon the name, we come into contact with the person of him who is being named”
Presbyter Pavel Adelgeim, The Dogma of the Church in Canons and Practise, Chapter 2.