King James Version

What Does Matthew 17:15 Mean?

Matthew 17:15 in the King James Version says “Lord, have mercy on my son: for he is lunatick, and sore vexed: for ofttimes he falleth into the fire, and oft into the ...” — study this verse from Matthew chapter 17 with commentary, cross-references, and original Greek word analysis.

“Lord, have mercy on my son: for he is lunatick, and sore vexed: for ofttimes he falleth into the fire, and oft into the water.”

Matthew 17:15 · King James Version


Context

13

Then the disciples understood that he spake unto them of John the Baptist.

14

And when they were come to the multitude, there came to him a certain man, kneeling down to him, and saying,

15

Lord, have mercy on my son: for he is lunatick, and sore vexed: for ofttimes he falleth into the fire, and oft into the water.

16

And I brought him to thy disciples, and they could not cure him.

17

Then Jesus answered and said, O faithless and perverse generation, how long shall I be with you? how long shall I suffer you? bring him hither to me.


Commentaries4 scholars

KJV Study CommentaryPublic Domain
This text illustrates key Reformed principles: sola Scriptura, sola gratia, and sola fide. The passage demonstrates how God's Word speaks authoritatively to human need, revealing both our depravity and God's merciful provision through Christ.

KJV Study — Public Domain

Historical & Cultural Context

First-century Palestine was marked by religious fervor and political tension. The passage reflects interactions between Jesus and various groups: Pharisees, Sadducees, disciples, and crowds. Each audience received teaching tailored to their needs and spiritual condition.

Reflection Questions

  1. How does this passage challenge your understanding of God's character?
  2. What practical application does this truth have in your daily walk?
  3. How should this verse shape your priorities and decisions?

Compare 4 commentaries from different scholars and time periods for a richer understanding.


Original Language Analysis

Greek · 21 words
Κύριε1 of 21

“Lord”

G2962

supreme in authority, i.e., (as noun) controller; by implication, master (as a respectful title)

ἐλέησόν2 of 21

“have mercy”

G1653

to compassionate (by word or deed, specially, by divine grace)

μου3 of 21

“on my”

G3450

of me

τὸν4 of 21
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

υἱόν,5 of 21

“son”

G5207

a "son" (sometimes of animals), used very widely of immediate, remote or figuratively, kinship

ὅτι6 of 21

“for”

G3754

demonstrative, that (sometimes redundant); causative, because

σεληνιάζεται7 of 21

“he is lunatick”

G4583

to be moon-struck, i.e., crazy

καὶ8 of 21

“and”

G2532

and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words

κακῶς9 of 21

“sore”

G2560

badly (physically or morally)

πάσχει·10 of 21

“vexed”

G3958

to experience a sensation or impression (usually painful)

πολλάκις11 of 21

“oft”

G4178

many times, i.e., frequently

γὰρ12 of 21

“for”

G1063

properly, assigning a reason (used in argument, explanation or intensification; often with other particles)

πίπτει13 of 21

“he falleth”

G4098

to fall (literally or figuratively)

εἰς14 of 21

“into”

G1519

to or into (indicating the point reached or entered), of place, time, or (figuratively) purpose (result, etc.); also in adverbial phrases

τὸ15 of 21
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

πῦρ16 of 21

“the fire”

G4442

"fire" (literally or figuratively, specially, lightning)

καὶ17 of 21

“and”

G2532

and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words

πολλάκις18 of 21

“oft”

G4178

many times, i.e., frequently

εἰς19 of 21

“into”

G1519

to or into (indicating the point reached or entered), of place, time, or (figuratively) purpose (result, etc.); also in adverbial phrases

τὸ20 of 21
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

ὕδωρ21 of 21

“the water”

G5204

water (as if rainy) literally or figuratively


Study Guide

Historical Context

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

Theological Significance

Matthew 17:15 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 Matthew 17:15 from Treasury of Scripture Knowledge

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