Children of Promise: Freedom from the Law

Oct 25, 2026

Devotional

Day 1: When Questions Unearth Buried Assumptions

Paul’s challenge to the Galatians begins not with answers but with a question: “Do you not listen to the law?” Questions disarm defenses, inviting self-examination before confrontation. Like a firetruck’s siren interrupting a birthday celebration, questions disrupt complacency. They expose contradictions hidden beneath tradition, much like a child’s innocent inquiry about a bonfire’s origin. Truth is better caught in the tension of inquiry than forced through declarations. [35:15]

“Tell me, you who desire to be under the law, do you not listen to the law?” (Galatians 4:21, ESV)

Reflection: What unexamined tradition or assumption have you clung to without questioning its alignment with God’s heart? How might asking “why” loosen its grip on you?

Day 2: Two Mothers, Two Covenants, Two Destinies

Hagar and Sarah embody competing legacies—one born of human striving, the other of divine promise. The crackling bonfire of human effort (like Ishmael’s birth) flares brightly but consumes itself. Sarah’s barrenness, like cold embers, held unseen potential for miracle. Allegories reveal deeper realities: Sinai’s law binds, while Jerusalem’s promise liberates. The story asks not just “who’s your father?” but “who’s your mother?” [44:00]

“For it is written that Abraham had two sons, one by a slave woman and one by a free woman. But the son of the slave was born according to the flesh, while the son of the free woman was born through promise.” (Galatians 4:22–23, ESV)

Reflection: Where are you settling for “good enough” human solutions instead of waiting for God’s impossible promise? What makes waiting harder than striving?

Day 3: The Geography of Slavery and Freedom

Hagar’s story unfolds at Sinai—a desert mountain outside the promised land. Slavery thrives in transactional landscapes of “do more, try harder.” But the Jerusalem above, like a grandmother’s berry Chantilly cake, offers unearned sweetness. Freedom’s territory isn’t mapped by human effort but inherited through belonging. The firetrucks of law-based religion always arrive too late; freedom’s table is already set. [52:32]

“Now this may be interpreted allegorically: these women are two covenants. One is from Mount Sinai, bearing children for slavery; she is Hagar. But the Jerusalem above is free, and she is our mother.” (Galatians 4:24–26, ESV)

Reflection: What “geography” defines your spiritual life—a desert of rules or a home of belonging? How would living as an heir change your daily posture?

Day 4: Rejoicing in Barren Places

Sarah’s empty womb became the cradle of miracle. Isaiah’s call to “rejoice, O barren one” echoes in every disappointment where God seems absent. Like a scorched bonfire site yielding to new growth, God’s promises flourish in surrendered spaces. The Gentiles—spiritual “children of the desolate”—outnumber Abraham’s physical descendants, proving God writes better stories than our striving. [58:22]

“Rejoice, O barren one who does not bear; break forth and cry aloud, you who are not in labor! For the children of the desolate one will be more than those of the one who has a husband.” (Isaiah 54:1, ESV)

Reflection: What barren area of your life is God inviting you to stop “laboring” over? Can you trust His timing to bring surprise fruitfulness?

Day 5: Inheritance Comes Through Promise, Not Pyrotechnics

Ishmael’s fireworks of human effort faded, while Isaac’s quiet miracle endured. The slave-mother’s son couldn’t inherit, no matter his age or ambition. Like a Chick-fil-A milkshake shared with grandchildren, grace tastes sweeter when received as gift. Replacement theology misunderstands—the church doesn’t erase Israel but joins its story. Our inheritance rests not in pedigree but in Christ’s “nicest old man” generosity. [01:02:08]

“But what does the Scripture say? ‘Cast out the slave woman and her son, for the son of the slave woman shall not inherit with the son of the free woman.’ So, brothers, we are not children of the slave but of the free woman.” (Galatians 4:30–31, ESV)

Reflection: What “Ishmael” (self-made identity or achievement) are you still clinging to that blocks you from fully embracing your status as God’s heir?

Sermon Summary

Paul turns the desire to live under the law into a searching question: do those who claim the law actually listen to it? The question exposes assumptions that tradition has left unexamined. Rather than beginning with an accusation, Paul asks his opponents to reckon with the very authority they claim to follow. Questions engage the mind before they challenge the will.

Abraham’s household supplies the picture. Hagar and Sarah, Ishmael and Isaac, become an allegory of slavery and freedom, human effort and God’s promise. Allegories carry truth through a story, but they must not become an excuse to bend Scripture into whatever meaning a reader prefers. Paul’s contrast grows out of the biblical account itself.

Ishmael’s birth came through Abraham and Sarah’s attempt to give God a little help. Their plan produced a child, but not the child God had promised. Isaac’s birth came when Sarah’s body was as good as dead. His life depended on God’s promise and miraculous action. The flesh, then, cannot be reduced to obviously sinful behavior. Even morally respectable effort can remain flesh when it substitutes human achievement for dependence on God.

The two women represent two covenants. Hagar corresponds to Sinai and the present Jerusalem in slavery; Sarah corresponds to the Jerusalem above, which is free. The new covenant completes rather than disqualifies the old. Isaiah’s call for the barren woman to rejoice follows the suffering servant’s crucifixion and announces fruitfulness beyond human possibility. The gathering of Gentiles into the church displays that promise.

Ishmael’s persecution of Isaac also exposes the pressure placed on the Galatians. The law has become a weapon for bullying those who have come to saving grace. Believers belong to the free woman, not the slave. Yet the church’s participation in God’s promise does not mean Israel has simply been discarded. Gentiles are grafted into God’s people; the church is a continuation and fulfillment, not a replacement that makes Israel irrelevant.

Key Takeaways

1. Questions Can Expose Unexamined Religious Assumptions. Paul does not ask his opponents to abandon respect for Scripture, but to examine whether they have understood it correctly. A tradition can become so familiar that its assumptions escape scrutiny. A searching question can lower defensiveness while bringing a contradiction into the light. [36:48]
2. Respectable Effort Can Still Be Flesh. The flesh is not limited to conduct that looks plainly wicked. Moral correctness can still rest on human effort rather than God’s promise, as the discussion of the Pharisees makes clear. Outward respectability therefore cannot settle whether a person is depending on God or attempting to accomplish his work by human strength. [49:39]
3. God’s Promise Outruns Humanly Arranged Solutions. Abraham and Sarah’s plan produced Ishmael, but it did not produce the promised child. Isaac arrived when Sarah’s inability made the miraculous character of his birth unmistakable. The contrast exposes the difference between giving God a little help and receiving what only God can bring about. [48:27]
4. Grace Must Not Become Religious Bullying. Paul connects Ishmael’s treatment of Isaac with the pressure being placed on the Galatian believers. Demands backed by the law were being used as a weapon against those who had come to saving grace. Their identity as children of promise meant that this pressure did not have the right to define their standing in God’s family. [1:01:06]

Youtube Chapters

[00:00] - Welcome
[30:08] - Two Covenants and Children of Promise
[31:39] - A Birthday, a Bonfire, and a Question
[35:03] - Paul’s Question About the Law
[39:25] - Stories and the Meaning Beneath Them
[43:13] - Allegory and the Danger of Twisting Scripture
[47:20] - Abraham’s Sons and God’s Promise
[49:23] - Moral Effort and the Flesh
[51:31] - Two Covenants and Two Jerusalems
[55:01] - Isaiah’s Call for the Barren to Rejoice
[1:00:15] - Children of Promise Under Pressure
[1:02:08] - The Church, Israel, and Replacement Theology

Bible Study Guide

Bible Reading

Galatians 4:21-31
“Tell me, you who desire to be under the law, do you not listen to the law? For it is written that Abraham had two sons, one by a slave woman and one by a free woman. But the son of the slave was born according to the flesh, while the son of the free woman was born through promise. Now this may be interpreted allegorically: these women are two covenants. One is from Mount Sinai, bearing children for slavery; she is Hagar. Now Hagar is Mount Sinai in Arabia; she corresponds to the present Jerusalem, for she is in slavery with her children. But the Jerusalem above is free, and she is our mother. For it is written, 'Rejoice, O barren one who does not bear; break forth and cry aloud, you who are not in labor! For the children of the desolate one will be more than those of the one who has a husband.' Now you, brothers, like Isaac, are children of promise. But just as at that time he who was born according to the flesh persecuted him who was born according to the Spirit, so also it is now. But what does the Scripture say? 'Cast out the slave woman and her son, for the son of the slave woman shall not inherit with the son of the free woman.' So, brothers, we are not children of the slave but of the free woman.” [29:49]

Genesis 16:1-16
“Now Sarai, Abram's wife, had borne him no children. She had a female Egyptian servant whose name was Hagar. And Sarai said to Abram, 'Behold now, the LORD has prevented me from bearing children. Go in to my servant; it may be that I shall obtain children by her.' And Abram listened to the voice of Sarai. So, after Abram had lived ten years in the land of Canaan, Sarai, Abram's wife, took Hagar the Egyptian, her servant, and gave her to Abram her husband as a wife. And he went in to Hagar, and she conceived. And when she saw that she had conceived, she looked with contempt on her mistress. And Sarai said to Abram, 'May the wrong done to me be on you! I gave my servant to your embrace, and when she saw that she had conceived, she looked on me with contempt. May the LORD judge between you and me!' But Abram said to Sarai, 'Behold, your servant is in your power; do to her as you please.' Then Sarai dealt harshly with her, and she fled from her. The angel of the LORD found her by a spring of water in the wilderness, the spring on the way to Shur. And he said, 'Hagar, servant of Sarai, where have you come from and where are you going?' She said, 'I am fleeing from my mistress Sarai.' The angel of the LORD said to her, 'Return to your mistress and submit to her.' The angel of the LORD also said to her, 'I will surely multiply your offspring so that they cannot be numbered for multitude.' And the angel of the LORD said to her, 'Behold, you are pregnant and shall bear a son. You shall call his name Ishmael, because the LORD has listened to your affliction. He shall be a wild donkey of a man, his hand against everyone and everyone's hand against him, and he shall dwell over against all his kinsmen.' So she called the name of the LORD who spoke to her, 'You are a God of seeing,' for she said, 'Truly here I have seen him who looks after me.' Therefore the well was called Beer-lahai-roi; it lies between Kadesh and Bered. And Hagar bore Abram a son, and Abram called the name of his son, whom Hagar bore, Ishmael. Abram was eighty-six years old when Hagar bore Ishmael to Abram.” [48:27]

Isaiah 54:1
“Sing, O barren one, who did not bear; break forth into singing and cry aloud, you who have not been in labor! For the children of the desolate one will be more than the children of her who is married,' says the LORD.” [30:35]

Observation questions

In Galatians 4:21, what tension does Paul draw attention to between wanting to live under the law and listening to what the law actually teaches? [35:10]
What differences does Paul highlight between the births of Ishmael and Isaac? How do Abraham and Sarah’s actions in Genesis 16 help explain that contrast? [48:39]
In Galatians 4:24–26, how does Paul connect the two women with the two covenants and the two Jerusalems? What marks the difference between them? [52:19]
What connection does Paul draw between Ishmael’s treatment of Isaac and the pressure facing the Galatian believers? [01:01:06]

Interpretation questions

Why might Paul’s opening question help someone recognize a mistaken religious assumption more effectively than a direct accusation? [37:12]
How can morally respectable behavior still reflect dependence on human effort rather than God’s promise? What distinguishes faithful obedience from trying to earn a place in God’s family? [49:31]
Why does Paul bring Isaiah 54:1 into his argument about the children of promise? How does the picture of a barren woman becoming fruitful help explain the inclusion of Gentiles in God’s family? [59:25]
How would identifying the Galatians as children of promise help them resist demands to prove their standing before God? What distinguishes loving correction from using religious rules to control someone? [01:01:06]

Application questions

What religious habit or expectation have you accepted mainly because it has always been familiar? What question could help you examine whether it rests on Scripture? [36:07]
Think of a recent disagreement about faith. What sincere question could you have asked to understand the other person’s assumptions rather than beginning with an accusation? [37:19]
Where are you most tempted to measure God’s acceptance by your performance—perhaps in serving, giving, Bible reading, or moral behavior? What might practicing those things from a place of acceptance rather than for acceptance look like this week? [49:39]
Abraham and Sarah tried to secure God’s promise through their own plan. Where does waiting on God tempt you to take control? What would a faithful next step look like without trying to force the outcome? [48:39]
Have you felt pressured to prove that you belong in God’s family by meeting someone else’s religious expectations? How could your identity as a child of promise help you respond with both confidence and gentleness? [01:01:06]
When have your own expectations made it harder for another believer to feel welcomed or accepted? Is there a conversation or act of encouragement you might consider to affirm that person’s belonging in God’s family through Christ? [01:01:29]

Sermon Clips

40s

#AskWhy

“Now questions are powerful. It engages the mind before it challenges the will. If you make an accusation, you challenge the will. If you query with the question, you... You're not challenging the will, you're engaging the mind. It also exposes the hidden assumptions. You know, many disagreements are not really about conclusions. They're about assumptions people never examined, and that was the case with the Jews in this particular situation. They were so entrenched in the tradition that they didn't bother to question why the tradition.”

38s

#AskDontAccuse

“Questions can actually lower defensiveness. A direct accusation frequently generates resistance. Let's compare it this way. You're not... You're being inconsistent. He could've said that, couldn't he? The apostle Paul could've said, you're being inconsistent. But he doesn't say that, does he? Basically, he frames it this way. How do you reconcile those two beliefs? You see, the second question approaches the person and gives them an opportunity to deal with the struggle of the difference between the two.”

28s

#NewCovenant

“They're two covenants. Now when you read the Bible, you see that there's an old covenant and what? A new covenant. Now does the new covenant disqualify the old covenant? It does not disqualify the old covenant. It completes the old covenant. But in the Bible, we look at that as an old as an old covenant and a new covenant. A testament would be another word for covenant.”

45s

#PowerOfQuestions

“Questions expose contradictions. Questions shift the burden of the explanation. If you make a statement, you better be prepared to defend the statement. If you ask a question, it places the one who's receiving the question in a position of defense. They have to... An attempt to make an answer to the question. Questions create tension that make people want an answer. Has has anybody ever asked you a question and you wanna know the answer, but you don't know the answer? You go and research that, don't you? The apostle Paul is brilliant in his argument. He's gonna come at this issue of the law and freedom by starting with a question.”

31s

#HagarAndSarah

“So Hagar is the slave girl, and she is under the law. Sarah is the freed woman, and she is... She gives birth to the child of the promise. And Ishmael is born of human flesh, which is allegory of human effort. And Isaac is born of the promise. And Mount Sinai is the covenant of slavery.”

34s

#GodsPromise

“years later after Ishmael was born, the promise was fulfilled. Isaac was born. Isaac was born fourteen years later. Abraham would have been 100. Sarah would have been 90. And the Bible says her body was as dead. It was a promise, and it was a miracle. Now I know we talk about the miracle of Christ's birth. This is another miracle. It can be an allegory of that which is the the allegory of Christ being birthed as a miracle.”

36s

#GospelForAll

“Now, in the church today, this prophecy is fulfilled in the church today. And the way that this prophecy is fulfilled in the church today is in most churches, there are what's considered Messianic Jews who believe the gospel. But the vast majority of people that attend Christian churches are not Jewish. They're Gentile. This prophecy is being fulfilled even in the church today.”

30s

#BibleConnections

“The apostle Paul is arguing from familiarity. He is arguing a familiar story. He's arguing out of the book of Isaiah, and they're very familiar with these connecting points. So when he pulls, he's not pulling out arbitrarily. Chapter 54 verse one, he's pulling at that out deliberately because it is at the conclusion of Christ's crucifixion in Isaiah 53. And he puts that deliberately in this place.”

Ask a question about this sermon

Menchville Baptist Church This sermon · AI assistant

How can morally good efforts still produce spiritual bondage?

What distinguishes human effort from God’s promise?

How should biblical allegories be interpreted responsibly?