Fiat – A Lesson Plan on Mary’s Let It Be Done

The purpose of this reflection is to help youth understand what Mary’s fiat (“let it be done”) meant and to help them understand ways to say yes in today’s world.

Opening Game for Fiat

Start this lesson plan on Mary’s Let It Be Done by playing Yes No Game (see the complete instructions).

Sometimes we say yes or no without thinking. Especially to questions we are used to answering. “Do you want fries with that?” Or to things we feel strongly about. “Do you like spinach?”

  • What are some questions you can answer without thinking?

But bigger questions or unexpected questions can cause us to pause and think. “Are you going to the football game or Sue’s party this weekend?” “Would you kiss a frog for $20?” “What are you planning to do after high school?”

  • Are there any questions you have been asked lately which you have had to think about?
  • How do you decide how to answer difficult questions?

Scripture Reading for Lesson Plan on Mary’s Let It Be Done

Luke 1:26-38 (Mary Agrees to Be the Mother of Our Lord) – the Gospel Reading for the 4th Sunday in Advent – Year B

The angel Gabriel was sent from God to a town of Galilee called Nazareth, to a virgin betrothed to a man named Joseph, of the house of David, and the virgin’s name was Mary.

And coming to her, he said, “Hail, full of grace! The Lord is with you.”

But she was greatly troubled at what was said and pondered what sort of greeting this might be.

Then the angel said to her, “Do not be afraid, Mary, for you have found favor with God.

“Behold, you will conceive in your womb and bear a son, and you shall name him Jesus.

He will be great and will be called Son of the Most High, and the Lord God will give him the throne of David his father, and he will rule over the house of Jacob forever, and of his kingdom there will be no end.”

But Mary said to the angel, “How can this be, since I have no relations with a man?”

And the angel said to her in reply, “The Holy Spirit will come upon you, and the power of the Most High will overshadow you.

Therefore the child to be born will be called holy, the Son of God.

And behold, Elizabeth, your relative, has also conceived a son in her old age, and this is the sixth month for her who was called barren; for nothing will be impossible for God.”

Mary said, “Behold, I am the handmaid of the Lord. May it be done to me according to your word.” Then the angel departed from her.

Luke 1:26-38

Discussion for Fiat Lesson Plan

In this gospel passage, the Angel Gabriel is telling Mary that she has been chosen to be the mother of the Messiah. To be clear here, Mary has a choice. Like all people, she has free will. So she has the option to say no.

She is clearly confused by this message.

First of all, consider that Mary is very young. Since she was betrothed, she was probably somewhere around 14 years old. She has never managed her own affairs. Her mother and father have directed her life up to this point.

The messenger is an angel. We don’t know how the angel appeared. Artwork often depicts angels as men or women with wings. But that is just the artist’s imagination. But it seems likely that the angel might have been somewhat frightening. For his first words are “Do not be afraid.”

Next consider that Mary is an unmarried woman. Her question “How can this be, since I have no relations with a man?” indicates that she is a virgin. She is betrothed to Joseph. If she becomes pregnant, he could have her stoned to death for apparently being unfaithful. If nothing else, Joseph will surely leave her. And then it is unlikely she will ever be married. This leaves her extremely vulnerable in the Jewish society of the day. Most single mothers in her time end up poor and desperate.

But she says let it be done. She says yes.

Mary’s trust in God is complete. She knows that she is God’s beloved and He will care for her somehow. So despite the fear and the unknown future this pregnancy will cause, she says “Fiat.” “Behold, I am the handmaid of the Lord. May it be done to me according to your word.”

You have probably not been visited by an angel, but there are things in your life which God is asking you to say “yes” to.

Reflection Questions for Lesson Plan on Mary’s Let It Be Done

  • What is something, big or small, which God asks you to say yes to?
  • What are some things which make it difficult to say yes to God?
  • How can we remove some of the barriers to saying yes?

Challenge for Fiat Lesson Plan

Pick one thing that God is asking you to say yes to. When you find it a challenge, spend a moment in prayer and repeat the word “Fiat” over and over again. If you are not in a space where you can say it out loud, repeat it in your thoughts. Then ask God to give you the strength to say yes, let it be done.

Prayer for the Lesson Plan on Mary’s Let It Be Done

Conclude by praying the The Hail Mary.

More Resources for Fiat – A Lesson Plan on Mary’s Let It Be Done

Why Do Catholics Pray to Mary and the Saints? A Lesson Plan

Why do Catholics pray to Mary and the saints? This lesson plan will help youth understand that it is like asking a friend to pray for you. And it points out that asking someone to pray for you is not the same as worship. This is another resource which goes well with Fiat – A Lesson Plan on Mary’s Let It Be Done.

Gabriel’s Message

This song from Matt Maher goes well with this Fiat – A Lesson Plan on Mary’s Let It Be Done.


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