Originally published August 28, 2014. Substantially revised in October 2026.
For centuries, Catholics have prayed, studied, and worshiped in Latin. The Church’s language can express a whole spiritual program in only a few words. These Latin quotes about conversion come from Sacred Scripture, the Rule of St. Benedict, and St. Augustine’s account of his conversion. Each one calls us to turn toward God without delay.

Conversion is more than a passing emotion. The Catechism describes interior repentance as a radical reorientation of life—a return to God with all our heart, a turning away from sin, and a resolution to change through the help of grace. These Catholic Latin quotes are therefore not decorative mottos. They are invitations to act. For a fuller explanation, see What Everyone Should Know About Conversion.
1. Ecce nunc tempus acceptabile, ecce nunc dies salutis
“Behold, now is the acceptable time; behold, now is the day of salvation.”
— 2 Corinthians 6:2
St. Paul places the decisive word at the center: nunc, “now.” Grace is offered in the present, not in an imagined future when repentance might feel easier. Conversion begins when we stop bargaining with tomorrow and answer God today.
Read the verse in the Nova Vulgata.
2. Hodie, si vocem eius audieritis, nolite obdurare corda vestra
“Today, when you hear his voice, do not harden your hearts.”
— Hebrews 3:7–8, quoting Psalm 95:7–8
Hodie means “today.” Scripture warns that repeated delay can become hardness of heart. God’s voice may reach us through prayer, conscience, Scripture, the counsel of another person, or the grace that moves us to seek the Sacrament of Reconciliation. The faithful response is not merely to admire the call, but to obey it.
Read Hebrews 3 in the Nova Vulgata.
3. Vigilate itaque, quia nescitis diem neque horam
“Watch therefore, for you know neither the day nor the hour.”
— Matthew 25:13
Christian vigilance is not anxious speculation about the future. It is faithful attention to Christ in the present. In the parable of the ten virgins, readiness cannot be borrowed at the final moment. A vigilant soul keeps the lamp of faith supplied through prayer, the sacraments, works of mercy, and daily fidelity.
Read Matthew 25 in the Nova Vulgata.
4. Nisi paenitentiam egeritis, omnes similiter peribitis
“Unless you repent, you will all likewise perish.”
— Luke 13:3
Our Lord’s warning is severe because His mercy is serious. He does not call us to vague regret, but to repentance that turns away from sin and returns to God. When sin weighs on the conscience, Christ has given us the Sacrament of Reconciliation. The article The Power of Contrition explains how sorrow for sin and trust in God’s mercy prepare the heart for confession.
Read Luke 13 in the Nova Vulgata.
5. Currite dum lumen vitae habetis, ne tenebrae mortis vos comprehendant
“Run while you have the light of life, lest the darkness of death overtake you.”
— Rule of St. Benedict, Prologue
St. Benedict does not tell his monks merely to stroll toward holiness. He tells them to run. His urgency is not despairing; it is the realism of someone who understands that time and grace are gifts. The spiritual life requires perseverance, and perseverance is built from prompt acts of obedience repeated each day.
Read the Prologue of the Rule of St. Benedict.
6. Tolle, lege
“Take up and read.”
— St. Augustine, Confessions, Book VIII, chapter 12
In the garden at Milan, St. Augustine heard a childlike voice repeating these words. He opened the writings of St. Paul, read Romans 13:13–14, and received the light that ended his long resistance. The phrase is brief, but its lesson is lasting: God’s word should be received with a readiness to obey. Scripture is not only information about conversion; through grace, it can become the occasion of conversion.
Read Book VIII of St. Augustine’s Confessions.
7. Cor mundum crea in me, Deus
“Create in me a clean heart, O God.”
— Psalm 51:12
Conversion is God’s work in us, but it calls for our free cooperation. The psalmist does not ask merely for better appearances. He asks for a clean heart. This is the prayer of someone who knows that sin wounds the interior life and that only God can restore it.
The Church gives us words for making that response. Pray the Act of Contrition, and if you are interceding for someone you love, use the Prayer for the Conversion of a Loved One.
Read Psalm 51 in the Nova Vulgata.
What these Latin quotes teach about conversion
Taken together, these seven phrases form a simple path for the Christian life:
- Listen today: do not harden the heart when God calls.
- Repent sincerely: turn away from sin and toward the Father.
- Remain watchful: live prepared to meet Christ.
- Receive God’s word: read it with a willingness to obey.
- Ask for grace: only God can create a clean heart.
- Act now: the present moment is where fidelity begins.
Latin gives these truths memorable form, but their purpose is not to display learning. Their purpose is conversion. May they lead us beyond admiration to repentance, beyond postponement to obedience, and beyond good intentions to a life returned wholeheartedly to God.