Topical · Week 1 of 6

Sarah: Faith Through Waiting

Genesis 12:1-9, 15:1-6, 17:15-22, 21:1-7

Trust in God's timing

Main Point

Sarah's faith wasn't born from perfect circumstances — it grew through decades of waiting, struggling, and finally releasing control to God's timeline.

Application Ideas

What are you waiting for? Sarah waited 25+ years for a promise. This week, examine where you're impatient with God's timeline. What would it look like to trust His timing as much as His promise? Consider writing down a promise of God and marking how long you've been waiting for it.

Discussion Questions

Why did Sarah laugh when she heard the promise of a child? What changed between her laughter of doubt and her laughter of joy? What does her journey teach us about the nature of faith?

Detailed Sermon Outline

Primary Text: Genesis 12:1-9, 15:1-6, 17:15-22, 21:1-7

Supporting Texts: Hebrews 11:8-12; Romans 4:17-25

Big Idea: Sarah's faith persists despite decades of waiting, shame, and impossibility—demonstrating trust that endures.

Target Length: 35-40 minutes

Introduction

Sarah's story begins with displacement. Abram tells her they must leave everything and follow God to unknown place. For an ancient woman, this was radical vulnerability.

But the real test comes with God's promise: you will bear a son at seventy. Sarah laughs—not joy, but disbelief. The promise seems impossible.

The main point: Faith isn't absence of doubt, but trust persisting through doubt and delay.

I. The Promise That Seemed Impossible (Genesis 12:1-7, 17:15-19)

When Abram is seventy-five, God promises descendants as numerous as stars. He has no children. Yet God makes promise unconditionally.

God changes her name from Sarai to Sarah (mother of nations). Not ceremony—declaration of future reality. From her perspective, ridiculous.
When repeated at ninety-nine and eighty-nine: Sarah laughed, thinking this pleasure impossible. Skepticism mixed with longing.
God asks Sarah to believe in resurrection—dead womb becoming alive. Not just trusting future event, but trusting for miracle.

Sarah's struggle is deeply human. We receive promises seemingly impossible. We're tempted to laugh in resignation. Can God come through?

II. The Long Wait and Temptation (Genesis 16:1-4, 21:1-7)

After ten years of waiting, Sarah proposes solution: Give Abraham her servant Hagar. Legally permissible then. Culturally acceptable.

Moment of profound faithlessness. Sarah says: God hasn't delivered. I'll take matters into my own hands.
Result: Ishmael—and disaster. Hagar becomes pregnant and despises barren mistress. Sarah treats her so harshly Hagar flees.
But Sarah continues waiting. Endures shame of childlessness. Submits to promise despite mockery.

Thirteen more years. When Isaac born at ninety: God has brought me laughter. Vindication replaces shame.

III. When God Fulfills (Genesis 21:1-7)

The Lord was gracious to Sarah as promised. Not that Sarah had perfect faith. But God kept His promise.

Sarah names son Isaac (he laughs). Her disbelief becomes the name of fulfillment. Every time called, they remember God's faithfulness.
Hebrews 11:11: By faith Sarah was enabled to bear children because she considered faithful the One who promised.
Isaac became child of promise—through whom covenant continues. From Isaac came Jacob, Israel. Sarah's willingness to wait became foundational.

Power of perseverance. Sarah didn't become faithful overnight. Struggled, failed, waited. Didn't abandon promise. God came through.

Conclusion & Appeal

Sarah speaks to anyone who received impossible promise. Promise of transformation, healing, purpose that contradicts present.

Sarah teaches: Faith isn't absence of struggle or doubt. She laughed, took matters in own hands, endured shame. But didn't reject promise.

What promise has God given seeming impossible? Stop laughing in disbelief. Stop trying your way. Trust His character. Wait for His timing.