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Genesis 21 · Berean Standard Bible

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¹Now the LORD attended to Sarah as He had said, and the LORD did for Sarah what He had promised. ²So Sarah conceived and bore a son to Abraham in his old age, at the very time God had promised. ³And Abraham gave the name Isaac to the son Sarah bore to him. ⁴When his son Isaac was eight days old, Abraham circumcised him, as God had commanded him. ⁵Abraham was a hundred years old when his son Isaac was born to him. ⁶Then Sarah said, “God has made me laugh, and everyone who hears of this will laugh with me.” ⁷She added, “Who would have told Abraham that Sarah would nurse children? Yet I have borne him a son in his old age.” ⁸So the child grew and was weaned, and Abraham held a great feast on the day Isaac was weaned. ⁹But Sarah saw that the son whom Hagar the Egyptian had borne to Abraham was mocking her son, ¹⁰and she said to Abraham, “Expel the slave woman and her son, for the slave woman’s son will never share in the inheritance with my son Isaac!” ¹¹Now this matter distressed Abraham greatly because it concerned his son Ishmael. ¹²But God said to Abraham, “Do not be distressed about the boy and your maidservant. Listen to everything that Sarah tells you, for through Isaac your offspring will be reckoned. ¹³But I will also make a nation of the slave woman’s son, because he is your offspring.” ¹⁴Early in the morning, Abraham got up, took bread and a skin of water, put them on Hagar’s shoulders, and sent her away with the boy. She left and wandered in the Wilderness of Beersheba. ¹⁵When the water in the skin was gone, she left the boy under one of the bushes. ¹⁶Then she went off and sat down nearby, about a bowshot away, for she said, “I cannot bear to watch the boy die!” And as she sat nearby, she lifted up her voice and wept. ¹⁷Then God heard the voice of the boy, and the angel of God called to Hagar from heaven, “What is wrong, Hagar? Do not be afraid, for God has heard the voice of the boy where he lies. ¹⁸Get up, lift up the boy, and take him by the hand, for I will make him into a great nation.” ¹⁹Then God opened her eyes, and she saw a well of water. So she went and filled the skin with water and gave the boy a drink. ²⁰And God was with the boy, and he grew up and settled in the wilderness and became a great archer. ²¹And while he was dwelling in the Wilderness of Paran, his mother got a wife for him from the land of Egypt. ²²At that time Abimelech and Phicol the commander of his army said to Abraham, “God is with you in all that you do. ²³Now, therefore, swear to me here before God that you will not deal falsely with me or my children or descendants. Show to me and to the country in which you reside the same kindness that I have shown to you.” ²⁴And Abraham replied, “I swear it.” ²⁵But when Abraham complained to Abimelech about a well that Abimelech’s servants had seized, ²⁶Abimelech replied, “I do not know who has done this. You did not tell me, so I have not heard about it until today.” ²⁷So Abraham brought sheep and cattle and gave them to Abimelech, and the two men made a covenant. ²⁸Abraham separated seven ewe lambs from the flock, ²⁹and Abimelech asked him, “Why have you set apart these seven ewe lambs?” ³⁰He replied, “You are to accept the seven ewe lambs from my hand as my witness that I dug this well.” ³¹So that place was called Beersheba, because it was there that the two of them swore an oath. ³²After they had made the covenant at Beersheba, Abimelech and Phicol the commander of his army got up and returned to the land of the Philistines. ³³And Abraham planted a tamarisk tree in Beersheba, and there he called upon the name of the LORD, the Eternal God. ³⁴And Abraham resided in the land of the Philistines for a long time.

Berean Standard Bible · public domain. More versions and languages in the Reading Plan.

Genesis

Genesis 21

The Promise Fulfilled and the Covenant of Peace

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Objective

To reveal the fulfillment of God's promise through the birth of Isaac, the unfolding of divine faithfulness amid human tension, and the establishment of covenantal peace in the land of Beer-sheba.

Overview

Genesis 21 unfolds the long-awaited birth of Isaac to Abraham and Sarah in their old age, marking God's faithfulness to His word. The chapter then shifts to the tension between Sarah and Hagar’s son Ishmael, leading to Hagar’s expulsion and God’s providential care for her and her son in the wilderness. The narrative concludes with Abraham’s covenant with Abimelech over a well at Beer-sheba, symbolizing peace and divine presence in the land.

Detailed Analysis

Event Description

God visits Sarah as He promised, and she conceives and bears Isaac in Abraham’s old age. Abraham names the child Isaac, meaning 'he laughs,' reflecting Sarah’s joyful disbelief and the laughter of all who hear. At eight days old, Isaac is circumcised, marking the covenant sign. The child grows and is weaned, prompting Abraham to hold a great feast.

Central Themes

Divine faithfulness to promises

fulfillment beyond natural expectation

covenant continuity through Isaac

joy and celebration in God’s timing.

Cultural & Historical Context

Circumcision at eight days is the covenant sign given to Abraham’s descendants (Genesis 17:12). The birth of a son in old age echoes miraculous births in biblical history, signifying God’s sovereign intervention (cf. Sarah’s barrenness, Hannah in 1 Samuel). Weaning feasts were customary celebrations marking a child's growth and survival.

Key Verse

Genesis 21:2

Vivid Artistic Descriptions

The Birth of Isaac: Promise Realized

A radiant tent illuminated by the soft glow of dawn, with Sarah laughing joyfully, her hands cradling a newborn wrapped in swaddling cloths. Around them, shadows of years past dissolve into light, symbolizing fulfilled promises. The laughter echoes like a gentle breeze stirring the desert sands.

Conflict and Compassion: Hagar and Ishmael Sent Away

A barren wilderness under a vast, scorching sky. Hagar, weary and tearful, sits apart from a small child resting beneath a thorny shrub. Above them, a luminous angelic figure reaches down, revealing a hidden well sparkling with life-giving water. The scene balances despair with divine hope and sustenance.

The Covenant at Beer-sheba: Peace Established

Two men stand solemnly beside a freshly dug well, seven lambs gathered nearby as silent witnesses. Behind them, a grove of tamarisk trees sways gently in the breeze beneath a vast sky. The land stretches peacefully, bathed in golden sunlight, while a distant altar bears the name of the everlasting God.

Song

Genesis 21 Song

Verse 1:

From barren years to laughter’s cry, God’s promise dawns beneath the sky. A son is born, a covenant sealed, In Isaac’s life, His truth revealed.

Verse 2:

In desert wastes, a mother weeps, Yet God’s own hand her sorrow keeps. A well appears, life’s gift restored, His angel’s voice, a steadfast word.

Chorus:

He is faithful, He is true, In every age, His word breaks through. Joy springs forth where hope was thin, God’s covenant lives again within.

Bridge:

By wells of oath, by sacred name, Peace is planted, justice claims. In every land, His presence known, The everlasting God enthroned.

Final Chorus:

He is faithful, He is true, In every age, His word breaks through. Joy springs forth where hope was thin, God’s covenant lives again within.

Practical Application

Personal Life

Trust in God’s timing even when promises seem delayed or impossible.

Recognize God’s care in moments of despair and abandonment.

Embrace God’s covenantal faithfulness as the foundation of identity and hope.

Community & Society

Address conflicts with wisdom and seek peaceful resolutions grounded in justice.

Support those marginalized or cast out, reflecting God’s compassion for the vulnerable.

Celebrate milestones in community life as testimonies of God’s sustaining grace.

Global Perspective

Promote reconciliation and covenantal peace between differing peoples and nations.

Honor rightful stewardship of resources, fostering justice and mutual respect.

Proclaim the everlasting God’s faithfulness across cultural and geographic boundaries.

Conclusion

Genesis 21 stands as a testament to the unchanging faithfulness of God who brings life from barrenness, joy from sorrow, and peace from conflict. Isaac’s birth fulfills the divine promise, while Hagar and Ishmael’s story reveals God’s compassionate provision beyond human rejection. The covenant at Beer-sheba seals a peaceful coexistence, inviting all to trust in the everlasting God who governs history with justice and mercy.