The divinely-blessed Peter was from Bethsaida of Galilee. He was the son of Jonas and the brother of Andrew the First-called. He was a fisherman by trade, unlearned and poor, and was called Simon; later he was renamed Peter by the Lord Jesus Christ Himself, Who looked at him and said, "Thou art Simon the son of Jonas; thou shalt be called Cephas (which is by interpretation, Peter)" (John 1:42). On being raised by the Lord to the dignity of an Apostle and becoming inseparable from Him as His zealous disciple, he followed Him from the beginning of His preaching of salvation up until the very Passion, when, in the court of Caiaphas the high priest, he denied Him thrice because of his fear of the Jews and of the danger at hand. But again, after many bitter tears, he received complete forgiveness of his transgression. After the Resurrection of Christ and the descent of the Holy Spirit, he preached in Judea, Antioch, and certain parts of Asia, and finally came to Rome, where he was crucified upside down by Nero, and thus he ascended to the eternal habitations about the year 66 or 68, leaving two Catholic (General) Epistles to the Church of Christ.

Paul, the chosen vessel of Christ, the glory of the Church, the Apostle of the Nations and teacher of the whole world, was a Jew by race, of the tribe of Benjamin, having Tarsus as his homeland. He was a Roman citizen, fluent in the Greek language, an expert in knowledge of the Law, a Pharisee, born of a Pharisee, and a disciple of Gamaliel, a Pharisee and notable teacher of the Law in Jerusalem. For this cause, from the beginning, Paul was a most fervent zealot for the traditions of the Jews and a great persecutor of the Church of Christ; at that time, his name was Saul (Acts 22:3-4). In his great passion of rage and fury against the disciples of the Lord, he went to Damascus bearing letters of introduction from the high priest. His intention was to bring the disciples of Christ back to Jerusalem in bonds. As he was approaching Damascus, about midday there suddenly shone upon him a light from Heaven. Falling on the earth, he heard a voice saying to him, "Saul, Saul, why persecutest thou Me?" And he asked, "Who art Thou, Lord?" And the Lord said, "I am Jesus Whom thou persecutest; it is hard for thee to kick against the pricks." And that heavenly voice and brilliance made him tremble, and he was blinded for a time. He was led by the hand into the city, and on account of a divine revelation to the Apostle Ananias (see Oct. 1), he was baptized by him, and both his bodily and spiritual eyes were opened to the knowledge of the Sun of Righteousness. And straightway- O wondrous transformation! - beyond all expectation, he spoke with boldness in the synagogues, proclaiming that "Christ is the Son of God" (Acts 9:1-21). As for his zeal in preaching the Gospel after these things had come to pass, as for his unabating labors and afflictions of diverse kinds, the wounds, the prisons, the bonds, the beatings, the stonings, the shipwrecks, the journeys, the perils on land, on sea, in cities, in wildernesses, the continual vigils, the daily fasting, the hunger, the thirst, the nakedness, and all those other things that he endured for the Name of Christ, and which he underwent before nations and kings and the Israelites, and above all, his care for all the churches, his fiery longing for the salvation of all, whereby he became all things to all men, that he might save them all if possible, and because of which, with his heart aflame, he continuously traveled throughout all parts, visiting them all, and like a bird of heaven flying from Asia and Europe, the West and East, neither staying nor abiding in any one place - all these things are related incident by incident in the Book of the Acts, and as he himself tells them in his Epistles. His Epistles, being fourteen in number, are explained in 250 homilies by the divine Chrysostom and make manifest the loftiness of his thoughts, the abundance of the revelations made to him, the wisdom given to him from God, wherewith he brings together in a wondrous manner the Old with the New Testaments, and expounds the mysteries thereof which had been concealed under types; he confirms the doctrines of the Faith, expounds the ethical teaching of the Gospel, and demonstrates with exactness the duties incumbent upon every rank, age, and order of man. In all these things his teaching proved to be a spiritual trumpet, and his speech was seen to be more radiant than the sun, and by these means he clearly sounded forth the word of truth and illumined the ends of the world. Having completed the work of his ministry, he likewise ended his life in martyrdom when he was beheaded in Rome during the reign of Nero, at the same time, some say, when Peter was crucified.

The names of the Twelve Apostles are these: Simon, who was called Peter, and his brother Andrew, the First-called; James the son of Zebedee, and his brother John, who was also the Evangelist and Theologian; Philip, and Bartholomew (see also June 11); Thomas, and Matthew the publican, who was also called Levi and was an Evangelist; James the son of Alphaeus, and Jude (also called Lebbaeus, and surnamed Thaddaeus), the brother of James, the Brother of God; Simon the Cananite ("the Zealot"), and Matthias, who was elected to fill the place of Judas the traitor (see Aug. 9).