Trusting God Without Knowing the Details

“Behold, I am the handmaid of the Lord. May it be done to me according to your word.” — Luke 1:38

There is something extraordinary about Mary’s response to the angel Gabriel. We often reflect on her humility, obedience, and willingness to accept God’s will. But consider for a moment the circumstances in which she gave that remarkable answer.

Mary was a young woman living in Nazareth, a small village in Galilee. She was betrothed to Joseph, and her life was presumably unfolding according to the expectations of her family, her community, and her time. Then, without warning, an angel appeared with a message that would change not only her life but the course of human history.

And God did not give her all the details.

The Annunciation: A Life Interrupted

When Gabriel appeared to Mary, he greeted her with words she did not fully understand:

“Hail, favored one! The Lord is with you.” (Luke 1:28)

Scripture tells us that Mary was greatly troubled by this greeting and pondered what it might mean. Gabriel reassured her, telling her not to be afraid and announcing that she would conceive and bear a son named Jesus. He would be called the Son of the Most High, inherit the throne of David, and reign over a kingdom without end.

Imagine receiving such a message.

Mary was betrothed but had not yet begun married life with Joseph. In first-century Jewish society, betrothal was a binding commitment, and pregnancy before the couple came together could have serious social consequences. At the very least, Mary faced the possibility of misunderstanding, public shame, and the loss of her relationship with Joseph.

Gabriel told her that her child would be the Son of God. But he did not explain how she would tell Joseph, what her family would think, or how she would navigate the months ahead.

He did not tell her that she would travel to Bethlehem and give birth far from home. He did not warn her that Herod would seek her child’s life or that her family would flee to Egypt.

And he certainly did not describe the day she would stand beneath a cross and watch her beloved Son suffer and die.

All of that lay ahead of her when she spoke the words that would become one of the most profound expressions of faith in human history.

Fiat mihi secundum verbum tuum.

Let it be done to me according to your word.

Mary Asked How, Not Whether

There is an important detail in the Annunciation that is sometimes overlooked. Mary did ask a question.

“How can this be, since I have no relations with a man?” (Luke 1:34)

Her response reminds us that faith does not require us to abandon our intelligence or suppress every question that arises when God calls us into unfamiliar territory.

Mary wanted to understand how the angel’s message could be fulfilled.

Gabriel explained that the Holy Spirit would come upon her and the power of the Most High would overshadow her. He also told her that her relative Elizabeth, previously considered barren, was already six months pregnant.

And then he gave her this assurance:

“For nothing will be impossible for God.” (Luke 1:37)

Mary received an answer about how the child would be conceived. She did not receive a detailed explanation of everything that would happen afterward.

Yet she gave her consent.

Her faith did not depend upon having every uncertainty resolved. She trusted the One who had called her.

Trust Is Not the Same as Understanding

How often do we find ourselves willing to trust God, provided He first explains what He is doing?

We want to know how a difficult situation will resolve, when an unanswered prayer will finally be answered, or what will happen if we take a step of faith and things do not unfold as expected.

We may even find ourselves postponing obedience until we feel reasonably confident about the outcome.

But Mary’s Fiat challenges our assumption that understanding must precede trust.

She knew very little about the practical circumstances awaiting her. What she did know was that God had called her, that His promise was trustworthy, and that nothing was impossible for Him.

Her confidence rested in God’s character rather than in her ability to anticipate the future.

This distinction matters because there will be circumstances in our lives that cannot be explained in advance. Sometimes the answers we desperately seek will not become apparent until years later. Other times, we may never fully understand why events unfolded as they did.

Faith allows us to continue living faithfully even when our understanding remains incomplete.

When God’s Plan Becomes Difficult

Mary’s life after the Annunciation gives us a fuller picture of what trusting God actually looks like.

In the Gospel of Matthew, we learn that Joseph initially planned to divorce Mary quietly after discovering she was pregnant. An angel eventually appeared to him in a dream and explained that the child had been conceived through the Holy Spirit.

God provided what Joseph needed to understand, but Scripture does not tell us everything Mary experienced during that period of uncertainty.

Later, when Mary and Joseph presented Jesus in the Temple, Simeon delivered another extraordinary message. He proclaimed that the child would bring salvation, but he also warned Mary that a sword would pierce her own soul.

Mary’s yes to God was never a promise that her life would be free from suffering.

Indeed, her extraordinary vocation would eventually lead her to Calvary.

Yet the same woman who consented to God’s will at the Annunciation remained faithful through circumstances she could never have anticipated.

This is an essential part of understanding Mary’s Fiat. It was not simply one beautiful moment of surrender. It marked the beginning of a lifetime of living out that surrender.

Our Own Fiat

Most of us will never receive a visit from an angel announcing God’s plans for our lives. Nevertheless, we encounter circumstances that invite us to exercise the same kind of trust.

Perhaps we are caring for someone whose needs have dramatically changed the life we expected to live. Perhaps a career has taken an unexpected turn, a relationship is strained, or a long-held dream seems increasingly distant.

We may be facing a decision without enough information to feel comfortable making it. We may be waiting for an answer that simply has not come.

These experiences can leave us wondering what God is doing and why He has not made the next step clearer.

Mary teaches us that surrender is not the same as passivity. After the Annunciation, she did not simply sit and wait for events to unfold. She traveled to visit Elizabeth, attended to the responsibilities of her life, and responded to the circumstances placed before her.

Her example invites us to do the same.

We can seek wise counsel, ask reasonable questions, make responsible decisions, and take whatever action is appropriate to our circumstances. We can acknowledge our fears and uncertainties without allowing them to dictate every choice.

And where our knowledge ends, we can entrust what remains to God.

Trusting Him does not mean assuming that everything will turn out the way we want. Mary herself experienced profound sorrow. It means believing that God’s faithfulness is not dependent upon our ability to understand His plan.

Let It Be Done to Me

The Latin word fiat is a form of the verb meaning “let it be done” or “let it happen.” In Mary’s response, it expresses her willing consent to what God has revealed.

There is remarkable freedom in those words.

Mary did not need to control every circumstance before accepting her vocation. She did not insist upon knowing how every difficulty would be resolved. She offered herself to God with the understanding she had and trusted Him with everything she did not know.

That is a lesson we may need to learn repeatedly throughout our lives.

Sometimes our own Fiat will be spoken with confidence and joy. Other times, it may be offered through tears, exhaustion, disappointment, or considerable uncertainty.

We may have to say it again tomorrow when our circumstances remain unchanged and the answers we hoped for still have not arrived.

The invitation is not to stop asking questions or to pretend that uncertainty is easy. It is to cultivate the kind of relationship with God in which we gradually learn to trust Him even when we cannot see what lies ahead.

Mary’s Fiat reminds us that we do not need to know the entire journey before taking the next faithful step.

We need to know Whom we are following.

Fiat mihi secundum verbum tuum.

Let it be done to me according to Your word.

Fiat & Flame Ministries
fiatandflame.org

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