Paragraph 2667. This simple invocation of faith developed in the tradition of prayer under many forms in East and West. The most usual formulation, transmitted by the spiritual writers of the Sinai, Syria, and Mt. Athos, is the invocation, "Lord Jesus Christ, Son of God, have mercy on us sinners." It combines the Christological hymn of Philippians 2:6-11 with the cry of the publican and the blind men begging for light. By it the heart is opened to human wretchedness and the Savior's mercy. (2616)

Paragraph 2668. The invocation of the holy name of Jesus is the simplest way of praying always. When the holy name is repeated often by a humbly attentive heart, the prayer is not lost by heaping up empty phrases, but holds fast to the word and "brings forth fruit with patience." This prayer is possible "at all times" because it is not one occupation among others but the only occupation: that of loving God, which animates and transfigures every action in Christ Jesus. (435)

Paragraph 2676. This twofold movement of prayer to Mary has found a privileged expression in the Ave Maria: (722, 490, 435, 146)

Hail Mary [or Rejoice, Mary]: the greeting of the angel Gabriel opens this prayer. It is God himself who, through his angel as intermediary, greets Mary. Our prayer dares to take up this greeting to Mary with the regard God had for the lowliness of his humble servant and to exult in the joy he finds in her.

Full of grace, the Lord is with thee: These two phrases of the angel's greeting shed light on one another. Mary is full of grace because the Lord is with her. The grace with which she is filled is the presence of him who is the source of all grace. "Rejoice... O Daughter of Jerusalem... the Lord your God is in your midst." Mary, in whom the Lord himself has just made his dwelling, is the daughter of Zion in person, the ark of the covenant, the place where the glory of the Lord dwells. She is "the dwelling of God... with men." Full of grace, Mary is wholly given over to him who has come to dwell in her and whom she is about to give to the world.

Blessed art thou among women and blessed is the fruit of thy womb, Jesus. After the angel's greeting, we make Elizabeth's greeting our own. "Filled with the Holy Spirit," Elizabeth is the first in the long succession of generations who have called Mary "blessed." "Blessed is she who believed...." Mary is "blessed among women" because she believed in the fulfillment of the Lord's word. Abraham, because of his faith, became a blessing for all the nations of the earth. Mary, because of her faith, became the mother of believers, through whom all nations of the earth receive him who is God's own blessing: Jesus, the "fruit of thy womb."