In first Mass as pontiff, Pope Leo XIV calls for Christian witness in world that finds faith ‘absurd’

Pope Leo XIV leads his first Mass as pontiff in the Sistine Chapel at the Vatican May 9, 2025. Pope Leo, formerly Cardinal Robert Francis Prevost, was elected pope the previous day. (OSV News photo/Mario Tomassetti, Reuters)

VATICAN CITY (CNS) — Where Christians are “mocked, opposed, despised or at best tolerated and pitied” is where the Catholic Church’s “missionary outreach is most desperately needed,” Pope Leo XIV said in his first homily as leader of the world’s 1.4 billion Catholics.

Today, “there are many settings in which the Christian faith is considered absurd, meant for the weak and unintelligent, settings where other securities are preferred, like technology, money, success, power or pleasure,” the new pope told cardinals May 9 during Mass in the Sistine Chapel.

“This is the world that has been entrusted to us, a world in which, as Pope Francis taught us so many times, we are called to bear witness to our joyful faith in Jesus the savior,” he said.

The day after his election, the new pope returned to the chapel where his fellow 132 cardinals elected him pope — the first U.S. citizen, first Peruvian citizen, first Augustinian friar and likely the first Chicago White Sox fan to become pope — to celebrate his first Mass with the College of Cardinals.

Wearing black shoes instead of the traditional red associated with the papacy and walking into the Sistine Chapel carrying Pope Benedict XIV’s papal ferula, or staff, the pope processed into the chapel.

After two women read the Mass readings in English and Spanish — a possible nod to the new pope’s U.S. and Peruvian background — he greeted the cardinals in English, marking his first public use of the language.

“Through the ministry of Peter, you have called me to carry that cross and to be blessed with that mission,” he said, “and I know I can rely on each and every one of you to walk with me as we continue as a Church, as a community of friends of Jesus, as believers, to announce the good news, to announce the Gospel.”

The Mass, largely in Latin, was celebrated at a portable altar brought into the Sistine Chapel, as opposed to the fixed altar which requires the celebrant to face East, away from the congregation.

In his homily, spoken in Italian, Pope Leo said God had called him to be a “faithful administrator” of the church so that she may be “a beacon that illumines the dark nights of this world.”

“And this, not so much through the magnificence of her structures or the grandeur of her buildings, like the monuments among which we find ourselves, but rather through the holiness of her members,” he said, standing before Michelangelo’s “The Last Judgment” in the Sistine Chapel.

Reflecting on Jesus’ question to the apostle Peter in St. Matthew’s Gospel — “Who do people say the Son of Man is?” — Pope Leo said one might find two possible responses: the world’s, which considers Jesus “a completely insignificant person” who becomes “irksome because of his demands for honesty and his stern moral requirements,” and that of ordinary people, who see him as an “upright man, one who has courage, who speaks well and says the right things.”

“Even today, there are many settings in which the Christian faith is considered absurd, meant for the weak and unintelligent,” he said. In these settings, “a lack of faith is often tragically accompanied by the loss of meaning in life, the neglect of mercy, appalling violations of human dignity, the crisis of the family and so many other wounds that afflict our society,” the pope said.

And in many settings in which Jesus is appreciated, the pope said, he can be “reduced to a kind of charismatic leader or superman.”

Pope Leo XIV leads his first Mass as pontiff in the Sistine Chapel at the Vatican May 9, 2025. Pope Leo, formerly Cardinal Robert Francis Prevost, was elected pope the previous day. (OSV News photo/Mario Tomassetti, Vatican media via Reuters)

“This is true not only among nonbelievers but also among many baptized Christians, who thus end up living, at this level, in a state of practical atheism,” he said. “Therefore, it is essential that we too repeat, with Peter: ‘You are the Christ, the Son of the living God.'”

“I say this first of all to myself, as the successor of Peter, as I begin my mission as bishop of Rome,” he said. Referencing St. Ignatius of Antioch, he said the commitment for all who exercise authority in the church is “to move aside so that Christ may remain, to make oneself small so that he may be known and glorified, to spend oneself to the utmost so that all may have the opportunity to know and love him.”

Before the Mass, video footage of the pope’s first hours in office circulated online. A video released by the Vatican showed him greeting the cardinals who elected him, praying alone in the Pauline Chapel of the Apostolic Palace and wearing black, not red, shoes.

After his election and presentation to the faithful May 8, a video posted online showed Pope Leo returning to the Vatican residence where he had briefly lived as a cardinal before entering the conclave that elected him pope.

Greeting people who lived in the building, he posed for selfies and gave his blessing.

A girl asked the new pope to bless and sign a book; with a smile he replied: “I need to practice the signature! That old one is no good anymore.” And while signing, he asked, “Today is?” to a roar of laughs to those around him.

Pope Leo XIV celebrates his first Mass as pope with the cardinals who elected him in the Sistine Chapel at the Vatican May 9, 2025. (CNS photo/Vatican Media)

Full text of the first public homily of Pope Leo XIV, given at a Mass for the College of Cardinals in the Sistine Chapel May 9, 2025.

I begin with a word in English, and the rest is in Italian, but I want to repeat the words of the responsorial psalm: I will sing a new song to the Lord because he has done marvels. And indeed, not just with me, but with all of us, my brother cardinals, as we celebrate this morning, I invite you to recognize the marvels that the Lord has done, the blessings that the Lord continues to pour out upon all of us. Through the ministry of Peter, you have called me to carry that cross and to be blessed with that mission, and I know I can rely on each and every one of you to walk with me as we continue as a church, as a community of friends of Jesus, as believers, to announce the Good News, to announce the Gospel.

“You are the Christ, the Son of the living God” (Mt 16:16). In these words, Peter, asked by the Master, together with the other disciples, about his faith in him, expressed the patrimony that the Church, through the apostolic succession, has preserved, deepened and handed on for two thousand years.

Jesus is the Christ, the Son of the living God: the one Saviour, who alone reveals the face of the Father.

In him, God, in order to make himself close and accessible to men and women, revealed himself to us in the trusting eyes of a child, in the lively mind of a young person and in the mature features of a man (cf. Gaudium et Spes, 22), finally appearing to his disciples after the resurrection with his glorious body. He thus showed us a model of human holiness that we can all imitate, together with the promise of an eternal destiny that transcends all our limits and abilities.

Peter, in his response, understands both of these things: the gift of God and the path to follow in order to allow himself to be changed by that gift. They are two inseparable aspects of salvation entrusted to the Church to be proclaimed for the good of the human race. Indeed, they are entrusted to us, who were chosen by him before we were formed in our mothers’ wombs (cf. Jer 1:5), reborn in the waters of Baptism and, surpassing our limitations and with no merit of our own, brought here and sent forth from here, so that the Gospel might be proclaimed to every creature (cf. Mk 16:15).

In a particular way, God has called me by your election to succeed the Prince of the Apostles, and has entrusted this treasure to me so that, with his help, I may be its faithful administrator (cf. 1 Cor 4:2) for the sake of the entire mystical Body of the Church. He has done so in order that she may be ever more fully a city set on a hill (cf. Rev 21:10), an ark of salvation sailing through the waters of history and a beacon that illumines the dark nights of this world. And this, not so much through the magnificence of her structures or the grandeur of her buildings – like the monuments among which we find ourselves – but rather through the holiness of her members. For we are the people whom God has chosen as his own, so that we may declare the wonderful deeds of him who called us out of darkness into his marvellous light (cf. 1 Pet 2:9).

Peter, however, makes his profession of faith in reply to a specific question: “Who do people say that the Son of Man is?” (Mt 16:13). The question is not insignificant. It concerns an essential aspect of our ministry, namely, the world in which we live, with its limitations and its potential, its questions and its convictions.

“Who do people say that the Son of Man is?” If we reflect on the scene we are considering, we might find two possible answers, which characterize two different attitudes.

First, there is the world’s response. Matthew tells us that this conversation between Jesus and his disciples takes place in the beautiful town of Caesarea Philippi, filled with luxurious palaces, set in a magnificent natural landscape at the foot of Mount Hermon, but also a place of cruel power plays and the scene of betrayals and infidelity. This setting speaks to us of a world that considers Jesus a completely insignificant person, at best someone with an unusual and striking way of speaking and acting. And so, once his presence becomes irksome because of his demands for honesty and his stern moral requirements, this “world” will not hesitate to reject and eliminate him.

Then there is the other possible response to Jesus’ question: that of ordinary people. For them, the Nazarene is not a charlatan, but an upright man, one who has courage, who speaks well and says the right things, like other great prophets in the history of Israel. That is why they follow him, at least for as long as they can do so without too much risk or inconvenience. Yet to them he is only a man, and therefore, in times of danger, during his passion, they too abandon him and depart disappointed.

What is striking about these two attitudes is their relevance today. They embody notions that we could easily find on the lips of many men and women in our own time, even if, while essentially identical, they are expressed in different language. Even today, there are many settings in which the Christian faith is considered absurd, meant for the weak and unintelligent. Settings where other securities are preferred, like technology, money, success, power, or pleasure.

These are contexts where it is not easy to preach the Gospel and bear witness to its truth, where believers are mocked, opposed, despised or at best tolerated and pitied. Yet, precisely for this reason, they are the places where our missionary outreach is desperately needed. A lack of faith is often tragically accompanied by the loss of meaning in life, the neglect of mercy, appalling violations of human dignity, the crisis of the family and so many other wounds that afflict our society.

Today, too, there are many settings in which Jesus, although appreciated as a man, is reduced to a kind of charismatic leader or superman. This is true not only among non-believers but also among many baptized Christians, who thus end up living, at this level, in a state of practical atheism.

This is the world that has been entrusted to us, a world in which, as Pope Francis taught us so many times, we are called to bear witness to our joyful faith in Christ the Saviour. Therefore, it is essential that we too repeat, with Peter: “You are the Christ, the Son of the living God” (Mt 16:16).

It is essential to do this, first of all, in our personal relationship with the Lord, in our commitment to a daily journey of conversion. Then, to do so as a Church, experiencing together our fidelity to the Lord and bringing the Good News to all (cf. Lumen Gentium, 1). I say this first of all to myself, as the Successor of Peter, as I begin my mission as Bishop of Rome and, according to the well-known expression of Saint Ignatius of Antioch, am called to preside in charity over the universal Church (cf. Letter to the Romans, Prologue). Saint Ignatius, who was led in chains to this city, the place of his impending sacrifice, wrote to the Christians there: “Then I will truly be a disciple of Jesus Christ, when the world no longer sees my body” (Letter to the Romans, IV, 1). Ignatius was speaking about being devoured by wild beasts in the arena – and so it happened – but his words apply more generally to an indispensable commitment for all those in the Church who exercise a ministry of authority. It is to move aside so that Christ may remain, to make oneself small so that he may be known and glorified (cf. Jn 3:30), to spend oneself to the utmost so that all may have the opportunity to know and love him.

May God grant me this grace, today and always, through the loving intercession of Mary, Mother of the Church.

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