The Cloth That Rotted And The Seed That Grew

God tells Jeremiah to buy a linen loincloth, wear it against his skin, then go bury it in a crack in the rock. When the prophet digs it up much later, it’s ruined. Good for nothing.

That’s a strange way to preach. But Judah got the point, because everyone in that culture knew what a loincloth was for. It only works when it’s worn. Take it off, store it somewhere safe, and it stops being clothing and becomes trash.

Which is the uncomfortable part. Judah hadn’t stopped believing in God. They still had the temple, the priesthood, the feasts, the whole apparatus. They had simply moved God off their skin and into storage. A faith in storage is exactly the kind that rots.

Then Jesus tells the crowds about a seed you can barely see and a pinch of leaven a woman works down into sixty pounds of flour. Both are buried. Neither rots. Both transform everything they touch. So today’s readings push past the question of whether we believe. They ask whether God is close enough to us to change anything.

Today the Church also gives us Saint Titus Brandsma, a Carmelite who died at Dachau. Hold onto him. He’s the whole lesson in one life.

The Readings

First Reading: Jeremiah 13:1-11

Thus says the Lord to me, “Go and buy a linen waistcloth, and put it on your loins, and do not dip it in water.” So I bought a waistcloth according to the word of the Lord, and put it on my loins. And the word of the Lord came to me a second time, “Take the waistcloth which you have bought, which is upon your loins, and arise, go to the Euphrates, and hide it there in a cleft of the rock.” So I went, and hid it by the Euphrates, as the Lord commanded me. And after many days the Lord said to me, “Arise, go to the Euphrates, and take from there the waistcloth which I commanded you to hide there.” Then I went to the Euphrates, and dug, and I took the waistcloth from the place where I had hidden it. And behold, the waistcloth was spoiled; it was good for nothing.

Then the word of the Lord came to me: “Thus says the Lord: Even so will I spoil the pride of Judah and the great pride of Jerusalem. This evil people, who refuse to hear my words, who stubbornly follow their own heart and have gone after other gods to serve them and worship them, shall be like this waistcloth, which is good for nothing. For as the waistcloth clings to the loins of a man, so I made the whole house of Israel and the whole house of Judah cling to me, says the Lord, that they might be for me a people, a name, a praise, and a glory, but they would not listen.”

Gospel: Matthew 13:31-35

Another parable he put before them, saying, “The kingdom of heaven is like a grain of mustard seed which a man took and sowed in his field; it is the smallest of all seeds, but when it has grown it is the greatest of shrubs and becomes a tree, so that the birds of the air come and make nests in its branches.”

He told them another parable. “The kingdom of heaven is like leaven which a woman took and hid in three measures of meal, till it was all leavened.”

All this Jesus said to the crowds in parables; indeed he said nothing to them without a parable. This was to fulfil what was spoken by the prophet:

“I will open my mouth in parables,
I will utter what has been hidden since the foundation of the world.”

Scriptural Analysis

The Ruined Waistcloth

This is the first of Jeremiah’s symbolic actions, and it sets the pattern for the rest of the book.[1] The prophet performs his message in public, and the doing lodges in people’s memory the way a sermon never quite does. Later he’ll smash a clay jar and wear an ox yoke through the streets. Here he wears a garment and then buries it.

Start with the garment itself. The Hebrew word is ‘ezor, and older translations render it “girdle,” which throws people off, since the word suggests a belt. It’s a short linen skirt wrapped around the hips, worn directly against the body, reaching about halfway down the thighs.[2] Linen also happens to be the fabric of the priestly vestments. So Judah is being pictured as the Lord’s own priestly garment, worn close, worn deliberately, the thing that touches him.

Then there’s the geography problem. God sends Jeremiah to the Parath, and the same Hebrew consonants can be read either as the Euphrates or as Parah, a wadi with abundant water a short walk northeast of Anathoth, Jeremiah’s hometown (Joshua 18:23). The Euphrates is a round trip of roughly 700 miles. Twice. Nobody in Judah would have witnessed it, which defeats the entire purpose of a public sign.[3] The wordplay does double duty: Jeremiah performs the action locally, where his neighbors can see it, and the name still points north to Babylon, which is where the ruin is coming from.

Now the theology, and it turns on one verb. God made Israel and Judah cling to him. That word runs all through Deuteronomy for the fidelity a covenant people owe their God (Deuteronomy 4:4; 10:20; 11:22; 30:20).[4] It’s the same verb used of a man clinging to his wife in Genesis 2. Covenant is adhesion. The Catechism puts it exactly this way: faith is “first of all a personal adherence of man to God,” and inseparably an assent to everything he has revealed.[5]

So watch what happens to the cloth. Nothing attacks it. Nobody steals it or cuts it. It simply lies in the rock, away from the body it was made for, and time does the rest. Rot is what separation looks like when you let it run. Judah’s religious machinery was in fine working order. Their problem was proximity. And the Lord’s verdict lands on a word Jesus will pick up centuries later about salt that’s lost its taste: good for nothing (Matthew 5:13).

Notice too what God wanted from that clinging. He says the point was that Israel “might be for me a people, a name, a praise, and a glory.” God wanted to wear them. That’s the ache underneath the whole oracle, and it’s why the last four words of the reading hurt so much: but they would not listen.

The Seed And The Leaven

Jesus gives the crowds two pictures that run the same movement in reverse. Something small gets buried, and instead of rotting, it takes over.

The mustard seed was proverbial in Jewish speech for the smallest thing you could hold. What grows from it is a shrub tall enough that birds nest in its branches, and that detail is doing heavy lifting. Ezekiel prophesied that God would plant a sprig on a high mountain that becomes a noble cedar sheltering birds of every sort (Ezekiel 17:22-24). Daniel used the same image for a kingdom (Daniel 4:10-12). Jesus takes a stock image for imperial greatness and hangs it on a weed you find in a garden.[6] The kingdom will do what Israel was always supposed to do, gather the nations, and it will do it from a beginning nobody would fund.

Saint Thomas gathers the Fathers on this passage, and they read the seed three different ways, all of them true. Jerome takes the mustard as the evangelical teaching itself, since the grain “is hot” and “drives away poison,” which is what the Gospel does to error.[7] Chrysostom takes it as the apostles, sown by Christ in the field of the Church, ordinary and unimpressive men through whom more of the world was converted than Alexander or Rome ever managed.[8] Hilary takes it as Christ himself, filled with the Holy Spirit, sown in death into the field of his people, and reckoned small because unbelievers despised him: “no sightliness, that we should be desirous of him” (Isaiah 53:2).[9]

Thomas then adds his own point, and it’s the one I keep coming back to. The evangelical teaching becomes a tree while other teachings stay soft herbs, because everything else is finally subject to human reason and blows over with it.[10] A tree is something you can build a life on. It has branches enough for every state in life, the married and the clergy and everyone else, each finding under it what they need in order to live.

Then the leaven, and here Jesus does something almost sly. Leaven is usually the bad guy in Scripture, the image of corruption Paul tells the Corinthians to purge out (1 Corinthians 5:7). Thomas notes that the same image can run either direction depending on which property you’re looking at. Take corruption, and leaven means sin. Take fervor and the power to expand, and it means something very good.[11]

Augustine reads it as the fervor of charity, which enlarges the heart the way leaven enlarges dough, and he pairs it with the psalm: “I have run the way of your commandments, when you enlarged my heart” (Psalm 119:32).[12] The woman is the soul, and she hides it in three measures, meaning the whole heart, the whole soul, and all one’s strength. This is the Shema. Charity claims the whole person or it isn’t charity.

And the quantity is not incidental. Three measures is roughly sixty pounds of flour, enough bread for well over a hundred people.[13] The woman in the parable is baking for a feast. Jesus keeps reaching for the banquet when he wants to describe where all this is going.

Why Jesus Speaks In Parables

Matthew closes by quoting Psalm 78: “I will open my mouth in parables, I will utter what has been hidden since the foundation of the world.” Psalm 78 recites the whole history of Israel, God’s fidelity against the people’s forgetting, which is precisely Jeremiah’s subject. Matthew reaches for it to say that Jesus brings that long story to its completion.[14]

Saint Thomas hears the verse as Christ speaking about himself across both testaments. God addressed the human race twice, first through the prophets and then in his own person, and both times in parables. Thomas puts these words in the Lord’s mouth: “I the Lord, who opened the mouths of the prophets in parables, I will open in my own self.”[15] Jeremiah wearing a loincloth and Jesus telling a story about leaven are the same divine speech at two different volumes.

Daily Application

Put the two readings side by side, and you get one principle. Buried close to God, hidden things grow. Buried away from him, they rot. The location is identical. Everything depends on contact.

God almost certainly has a place in your life. The honest question is whether he’s touching anything. There’s a version of Catholic practice that keeps the faith in a designated compartment, an hour on Sunday, a set of positions, a crucifix on the wall, all of it real and none of it reaching the way you talk to your spouse at 6 p.m. on a Tuesday or how you handle the person at work you can’t stand. That’s the loincloth in the rock. Nothing dramatic went wrong. It was set aside, and time did what time does.

What the leaven asks of you is to let grace into the parts of your life you’ve kept separate from it. Augustine’s reading is the practical one here: the woman hides the leaven in all the flour. Pick the measure you’ve been holding back. Most of us know which one it is. The resentment we’ve decided we’re entitled to. The habit we confess and don’t fight. The relationship we’ve written off. Grace works through the whole batch, or it sits on top of it doing nothing.

And the mustard seed answers the objection that always comes next, which is that our efforts are too small to matter. Pope Benedict called this the “temptation of impatience,” the demand that our work for God show immediate results and large numbers.[16] He said the parable of the mustard seed is always valid, and that the courage the Church needs is the humility of the small grain, leaving to God the when and the how of its growing. That’s the actual mechanism of the kingdom, not a consolation prize handed to people who accomplish little.

Which brings us to today’s saint. Titus Brandsma was a Carmelite priest, a professor of philosophy and mysticism, and a journalist. When the Nazis occupied the Netherlands, the Dutch bishops ordered Catholic editors not to print Nazi propaganda, and Fr. Brandsma was arrested while hand-delivering the letter. He died at Dachau in July 1942 from medical experimentation. Before the injection, he gave his wooden rosary to the nurse who administered it. Years later, she became Catholic and testified to his holiness.

Look at the scale of that. A man loses everything, and the visible fruit is one nurse. One mustard seed, handed over in the last minutes of a life, in a place engineered to make such gestures meaningless. Pope Francis said at his canonization that holiness consists of “many small acts of daily love.”[17] Brandsma had spent decades clinging, which is why he had something to hand her at the end.

You probably won’t be asked for that. You will be asked for the small thing this week: the apology you owe, the confession you keep postponing, the ten minutes of prayer before the house wakes up, the decision to stay kind to someone who hasn’t earned it. Hand it over and let God bury it. Cling to him, and let him wear you.

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Notes

1. The Navarre Bible: Major Prophets, Revised Standard Version Catholic Edition (Dublin: Four Courts Press), commentary on Jeremiah 13:1–11.
2. John Bright, Jeremiah, Anchor Bible 21 (Garden City, NY: Doubleday, 1965), 94.
3. Ibid., 96.
4. The Navarre Bible: Major Prophets, commentary on Jeremiah 13:1–11.
5. Catechism of the Catholic Church, 2nd ed. (Vatican City: Libreria Editrice Vaticana, 1997), no. 150.
6. Curtis Mitch and Edward Sri, The Gospel of Matthew, Catholic Commentary on Sacred Scripture (Grand Rapids, MI: Baker Academic, 2010), 180.
7. Thomas Aquinas, Commentary on the Gospel of Saint Matthew, chap. 13, lect. 3, no. 1159.
8. Ibid., no. 1163.
9. Ibid., no. 1164.
10. Ibid., no. 1162.
11. Ibid., no. 1165.
12. Ibid., no. 1167.
13. Mitch and Sri, The Gospel of Matthew, 181.
14. Ibid.
15. Aquinas, Commentary on the Gospel of Saint Matthew, chap. 13, lect. 3, no. 1173.
16. Benedict XVI, “The New Evangelization: Building a Civilization of Love,” address to catechists and religion teachers, Jubilee of Catechists, December 12, 2000.
17. Francis, Homily, Holy Mass and Canonization, Saint Peter’s Square, May 15, 2022.

Books Cited

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• Catholic Church, Catechism of the Catholic Church, Second Edition, Doubleday / Image, 2003
• Curtis Mitch and Edward Sri, The Gospel of Matthew, Catholic Commentary on Sacred Scripture (Baker Academic, 2010)
• John Bright, Jeremiah, Anchor Bible 21 (Doubleday, 1965)
• University of Navarre, The Navarre Bible: Major Prophets, Four Courts Press, 2005
• St. Thomas Aquinas, Commentary on the Gospel of Matthew 13-28, Latin-English Opera Omnia (Emmaus Academic)