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How Do You Live the Catholic Faith Day to Day?

The minimum is short: Mass on Sundays and holy days, confession at least once a year, Communion at least during the Easter season, the fast days, and support for the Church. Everything else — daily prayer, Scripture, devotions, works of mercy — is the actual substance, and it is not obligatory.

147 videos CCC §2041–2043, §1691–2557 Updated

In short

  • check_smallThe five precepts of the Church are the floor, not the goal
  • check_smallConfession takes about three minutes and the priest will walk you through it
  • check_smallYou may attend Mass without being Catholic; you simply do not receive Communion
  • check_smallFasting binds ages 18–59; abstinence from meat, 14 and up
  • check_smallAdults enter the Church through OCIA, usually a parish programme running about a year

What is a Catholic actually obliged to do?

Less than most people assume. The Church sets out five precepts — deliberately minimal, framed as the bare floor beneath which the Christian life stops being recognisable.

Attend Mass on Sundays and holy days of obligation, and refrain from work that would prevent it. Confess grave sins at least once a year. Receive Communion at least once a year, during the Easter season. Observe the days of fasting and abstinence. Provide for the material needs of the Church according to your ability.

Which days are holy days of obligation varies by country, and in several places they are transferred to the nearest Sunday, so the local diocesan calendar is the authority rather than any general list.

The Catechism is explicit that these are a minimum. Nobody is meant to treat the list as a target, and it says nothing at all about the things that actually form a person — daily prayer, Scripture, almsgiving, and the corporal and spiritual works of mercy.

How do you go to confession?

Mechanically, it is much simpler than the anxiety around it suggests, and the priest has heard everything.

Beforehand, make an examination of conscience — most parishes provide a printed one, usually structured on the Ten Commandments. You are obliged to confess grave sins by kind and by number as best you can remember; venial sins may be confessed and it is good to, but it is not required.

Inside, you may kneel behind a screen or sit face to face; both are available in most parishes. The traditional opening is "Bless me, Father, for I have sinned; it has been [however long] since my last confession." Then say what you came to say. The priest may ask a question or offer counsel, will assign a penance — commonly a short prayer — and will give absolution.

Afterwards, do the penance.

Two things worth knowing. Forgetting a sin does not invalidate the confession. And the seal is absolute: a priest may never disclose anything he hears, to anyone, for any reason, under any pressure.

What happens at Mass, and what do you do if you're new?

You are welcome to attend, and nobody will ask who you are.

The structure is two halves. The Liturgy of the Word — readings from the Old Testament, a psalm, a New Testament letter, the Gospel, then the homily and the Creed. The Liturgy of the Eucharist — the offering of bread and wine, the Eucharistic Prayer, the Our Father, and Communion.

Practically: people stand, sit and kneel at set points, and following the person in front of you works fine. Genuflecting towards the tabernacle on entering is customary and not expected of visitors. Missals or worship aids are usually available at the door, and the readings are the same worldwide on any given day.

The one thing to know: Communion is not open. Catholics reserve it to those in full communion with the Church who are properly disposed. This is not a judgement on anyone present; it follows from the claim that receiving it states something specific. You are welcome to stay in your seat, or to come forward with arms crossed over your chest for a blessing.

How do you answer the objections you'll actually hear?

Four come up constantly, and each has a short answer.

"Catholics worship Mary and the saints." They ask them to pray, which is what Christians do for each other. The Church draws a formal line between worship, owed to God alone, and honour given to a creature — and calls giving worship to any creature idolatry.

"Why confess to a priest instead of directly to God?" Catholics do confess directly to God, constantly. The sacrament rests on the authority to forgive sins that the Church reads as given to the apostles in John 20:23, and on the practical point that saying something aloud to another person is harder to negotiate away than private regret.

"The Church added books to the Bible." The seven deuterocanonical books were in the Greek scriptures used by the New Testament writers and in Christian Bibles for over a millennium. They were removed in the sixteenth century, not added in it.

"Where is that in the Bible?" Sometimes explicitly; sometimes not. Catholic teaching does not hold that Scripture alone is the rule of faith — the canon of Scripture itself was determined by the Church, which is difficult to derive from Scripture alone.

What actually divides Catholics from Orthodox and Protestants?

Different disagreements, and they are not the same size.

Orthodox. The nearest, and the differences are narrow: papal primacy and jurisdiction, the Filioque clause in the Creed, and a handful of later Western definitions such as the Immaculate Conception. Both hold the same seven sacraments, the same apostolic succession, and the same understanding of the Eucharist. The Catholic Church recognises Orthodox orders and sacraments as valid.

Protestants. The disagreements are structural. Sola scriptura — Scripture as the sole authority — against Scripture, Tradition and Magisterium together. Justification by faith alone against faith working through love. Two sacraments in most traditions against seven. And the Eucharist: real substantial presence against a range of symbolic or spiritual accounts.

The 1999 Joint Declaration on the Doctrine of Justification, agreed with the Lutheran World Federation, established far more common ground on that particular dispute than four centuries of argument had suggested was there.

What all three share is a great deal: the Trinity, the divinity of Christ, the Resurrection, Scripture, and baptism — which the Catholic Church recognises as valid across almost all of them.

How do you start, coming in or coming back?

Coming back is the simpler case, and it does not require a programme. Go to confession — you can walk into any parish during scheduled hours, or ring and ask for an appointment. Say how long it has been. That is the whole procedure, and however long the gap has been, it is not unusual to whoever is listening.

Coming in as an adult runs through OCIA, the Order of Christian Initiation of Adults — known as RCIA until the English-language texts were renamed. Most parishes run a group that meets weekly from autumn, with reception at the Easter Vigil, though the timetable adapts to the person. It is instruction rather than examination, and enquirers regularly attend for a year and decide not to proceed.

The unbaptised are baptised, confirmed and receive Communion at the same liturgy. Those already validly baptised in another Christian community are not re-baptised; they make a profession of faith and are confirmed.

The first step in either case is the same: find the nearest parish and send an email.

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Every teaching on this page is covered in short daily videos — 147 of them in this series, part of all 1,095 across the full Catechism.

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Sources

This page explains CCC §2041–2043, §1691–2557 in its own words. The Catechism's own text is published by the Holy See and is not reproduced here — read it free at vatican.va. Scripture references follow the Catechism's citations.

About this page

Written by:
Laurent, Founder and editor
Page version:
2026-08-07
Scope:
Concise explanation of CCC §2041–2043, §1691–2557; not individualized pastoral advice
Independent doctrinal review:
None currently

Corrections: report a source or wording issue.

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