By the "Amen," we express our 'fiats' concerning the seven petitions: "So be it." -Catechism of the Catholic Church 2857, 2865. Our Father, who art in heaven, hallowed be thy name.

When Jesus was asked by his followers how they should pray, he taught them the words of the Lord's prayer: Our Father, who art in heaven, Hallowed be thy Name. Thy Kingdom come. Thy will be done ...