King James Version

What Does Genesis 18:15 Mean?

Genesis 18:15 in the King James Version says “Then Sarah denied, saying, I laughed not; for she was afraid. And he said, Nay; but thou didst laugh.” — study this verse from Genesis chapter 18 with commentary, cross-references, and original Hebrew word analysis.

“Then Sarah denied, saying, I laughed not; for she was afraid. And he said, Nay; but thou didst laugh.”

Genesis 18:15 · KJV

Fear & Courage

Context

13

And the LORD said unto Abraham, Wherefore did Sarah laugh, saying, Shall I of a surety bear a child, which am old?

14

Is any thing too hard for the LORD? At the time appointed I will return unto thee, according to the time of life, and Sarah shall have a son.

15

Then Sarah denied, saying, I laughed not; for she was afraid. And he said, Nay; but thou didst laugh.

16

And the men rose up from thence, and looked toward Sodom: and Abraham went with them to bring them on the way.

17

And the LORD said, Shall I hide from Abraham that thing which I do;

Read Genesis 18 full chapter

Commentary

KJV Study Commentary
Then Sarah denied, saying, I laughed not; for she was afraid. And he said, Nay; but thou didst laugh... This passage is part of the Abrahamic narratives which shift from universal human history to God's particular covenant people. The Abraham cycle (Genesis 12-25) demonstrates God's sovereign election, covenant faithfulness, and the development of faith through testing and promise fulfillment.

Central themes include God's unconditional covenant promises (land, descendants, blessing to nations), the call to faith and obedience, the testing of faith through delays and impossibilities, the contrast between divine promises and human schemes, and God's gracious persistence despite human failures. Abraham emerges as the father of faith whose trust in God's promises becomes the model for all believers (Romans 4, Galatians 3, Hebrews 11).

Theologically, these narratives establish: (1) salvation by grace through faith rather than works; (2) covenant as God's gracious initiative binding Himself to His people; (3) the necessity of patient trust when promises seem impossible; (4) the consequences of attempting to fulfill God's promises through human effort; (5) the pattern of divine testing producing mature faith. The Abraham cycle foreshadows Christ as the ultimate seed through whom blessing extends to all nations (Galatians 3:16).

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Historical & Cultural Context

The patriarchal narratives (Genesis 12-50) reflect the cultural, social, and legal customs of the ancient Near East during the Middle Bronze Age (2000-1500 BCE). Archaeological discoveries including the Mari tablets, Nuzi tablets, and Egyptian records confirm many details: nomadic pastoralism, covenant-making ceremonies, marriage customs, property laws, and international travel patterns described in Genesis.

The cultural practices reflected include: treaty/covenant forms (Genesis 15), bride-price customs (Genesis 24, 29), inheritance laws favoring firstborn sons (Genesis 25, 27), adoption practices (Genesis 15, 30), levirate-type arrangements (Genesis 38), and Egyptian administrative systems (Genesis 41, 47). These parallels confirm Genesis's historical reliability while showing how God worked within ancient cultural frameworks to accomplish His purposes.

For later Israelites, these narratives established their identity as Abraham's descendants, explained their claim to Canaan, justified their possession of Joseph's bones (Exodus 13:19), and provided models of faith despite imperfection. The patriarchs' failures and God's faithfulness encouraged Israel that covenant relationship depended on God's grace rather than human merit. The movement from Mesopotamia to Canaan to Egypt set the stage for the Exodus and conquest narratives.

Reflection Questions

  1. How does this verse deepen our understanding of God's character and His relationship with creation?
  2. What specific changes in thinking or behavior does this verse call us to make?
  3. How does this verse fit into the broader biblical story culminating in Christ?

Original Language Analysis

Hebrew · 11 words
וַתְּכַחֵ֨שׁ1 of 11

“denied”

H3584

to be untrue, in word (to lie, feign, disown) or deed (to disappoint, fail, cringe)

שָׂרָ֧ה׀2 of 11

“Then Sarah”

H8283

sarah, abraham's wife

וַיֹּ֥אמֶר׀3 of 11

“And he said”

H559

to say (used with great latitude)

לֹ֖א4 of 11

“Nay”

H3808

not (the simple or abs. negation); by implication, no; often used with other particles

צָחָֽקְתְּ׃5 of 11

“I laughed”

H6711

to laugh outright (in merriment or scorn); by implication, to sport

כִּ֣י׀6 of 11
H3588

(by implication) very widely used as a relative conjunction or adverb (as below); often largely modified by other particles annexed

יָרֵ֑אָה7 of 11

“not for she was afraid”

H3372

to fear; morally to revere; causatively to frighten

וַיֹּ֥אמֶר׀8 of 11

“And he said”

H559

to say (used with great latitude)

לֹ֖א9 of 11

“Nay”

H3808

not (the simple or abs. negation); by implication, no; often used with other particles

כִּ֥י10 of 11
H3588

(by implication) very widely used as a relative conjunction or adverb (as below); often largely modified by other particles annexed

צָחָֽקְתְּ׃11 of 11

“I laughed”

H6711

to laugh outright (in merriment or scorn); by implication, to sport

Study Guide

Historical Context

This verse is found in the book of Genesis. Understanding the historical and cultural background helps illuminate its meaning for the original audience and for us today.

Theological Significance

Genesis 18:15 contributes to our understanding of God's character and His relationship with humanity. Consider how this verse connects to the broader themes of Scripture.

Cross-References

Verses related to Genesis 18:15 from Treasury of Scripture Knowledge

1 John 1:8Proverbs 28:13Psalms 44:21Ephesians 4:23John 18:17Mark 2:8

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