After the Sign of the Cross and greeting, the Mass continues with the Penitential Act, a moment of humble preparation to enter the sacred mysteries. We begin not by pretending we are worthy, but by admitting that we are not — and trusting in the mercy of the God who calls us here. Maybe you remember last Sunday’s Gospel about the Pharisee and the tax collector. The tax collector stood off at a distance, beat his breast, and said, “Be merciful to me, a sinner.” We take that into our worship, for Jesus was clear that his approach was the righteous one.
The priest invites everyone to acknowledge their sins in silence, followed by one of three approved forms, the most familiar being the Confiteor (“I confess to almighty God…”). As we recite the Confiteor, we strike our chest just as the tax collector in the Gospel did. This is not a replacement for sacramental confession, but it truly disposes us to receive grace. The General Instruction of the Roman Missal notes that the priest’s prayer that concludes the rite — “May almighty God have mercy on us, forgive us our sins, and bring us to everlasting life” — is an absolution, though “it lacks the efficacy of the Sacrament of Penance” (GIRM 51). Still, as the Catechism of the Catholic Church explains (CCC 1436, 1458), venial sins are forgiven through the penitential act when we sincerely repent. This simple, honest moment clears the way for us to encounter the Lord with renewed hearts.
Immediately following this act of repentance, we cry out for mercy in the Kyrie eleison (“Lord, have mercy”). These ancient Greek words, among the oldest in the Mass, are not gloomy but hopeful — the plea of those who know God’s mercy is greater than their sin.
Then, on Sundays outside Advent and Lent, our tone changes from penitence to praise. We sing the Gloria, beginning with the angels’ hymn from Christmas night: “Glory to God in the highest, and on earth peace to people of good will.” Having confessed our unworthiness and received mercy, we are now free to glorify God with joy. The Gloria praises the Father, the Son, and the Holy Spirit, marveling at God’s holiness and goodness. It is not a request for anything, but a song of pure worship — a foretaste of the praise of heaven. The Gloria has been present from the beginning, and our current form of it has been virtually unchanged since the 9th century! One of things about the Gloria that I always like to mention is that it is so clearly focused on proclaiming God’s glory, which is yet another reminder that we are here for Him. Maybe some of us are getting a little tired of being reminded of this reality, but it’s one that has been unacknowledged too often in the past and we need the reminder.
Together, the Penitential Act and the Gloria form a rhythm of the Christian life itself: repentance leading to rejoicing, humility giving way to worship. Every Mass begins this way because every encounter with God begins this way — with mercy received and glory given.
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