The author reviews in succession the Gospels and then the Acts of the Apostles, and Paul's letters. Taking Paul as a model, he sought to offer a practical example of how Paul experienced his apostolic life, his spiritual transformation, and his complete dedication to Christ, since he proposes himself to his communities as a model to imitate (Cf. 1 Cor 4:16; 11:1; Phil3, 17). The example of Paul helps us to live out our Christian life as a whole and integrated reality, avoiding in this way forms of religious schizophrenia, usually attributed to the frailty of our human nature. Also include is a reflection on prayer in the Book of Revelation because useful insights can be found in it for todays Christian communities. There is also a wide reflection on the Psalter, which is an eminently missionary prayer, a prayer that should be rediscovered, because, together with the Our Father, it is the maximum expression of Christian prayer. The richness, which has attached itself in the Psalter over many centuries, is like a river of grace, which humanity may enjoy along the journey towards eternity.