King James Version

What Does John 21:18 Mean?

John 21:18 in the King James Version says “Verily, verily, I say unto thee, When thou wast young, thou girdedst thyself, and walkedst whither thou wouldest: but wh...” — study this verse from John chapter 21 with commentary, cross-references, and original Greek word analysis.

“Verily, verily, I say unto thee, When thou wast young, thou girdedst thyself, and walkedst whither thou wouldest: but when thou shalt be old, thou shalt stretch forth thy hands, and another shall gird thee, and carry thee whither thou wouldest not.”

John 21:18 · KJV

Context

16

He saith to him again the second time, Simon, son of Jonas, lovest thou me? He saith unto him, Yea, Lord; thou knowest that I love thee. He saith unto him, Feed my sheep.

17

He saith unto him the third time, Simon, son of Jonas, lovest thou me? Peter was grieved because he said unto him the third time, Lovest thou me? And he said unto him, Lord, thou knowest all things; thou knowest that I love thee. Jesus saith unto him, Feed my sheep.

18

Verily, verily, I say unto thee, When thou wast young, thou girdedst thyself, and walkedst whither thou wouldest: but when thou shalt be old, thou shalt stretch forth thy hands, and another shall gird thee, and carry thee whither thou wouldest not.

19

This spake he, signifying by what death he should glorify God. And when he had spoken this, he saith unto him, Follow me.

20

Then Peter, turning about, seeth the disciple whom Jesus loved following; which also leaned on his breast at supper, and said, Lord, which is he that betrayeth thee?

Read John 21 full chapter

Commentary

KJV Study Commentary
Verily, verily, I say unto thee, When thou wast young, thou girdedst thyself, and walkedst whither thou wouldest: but when thou shalt be old, thou shalt stretch forth thy hands, and another shall gird thee, and carry thee whither thou wouldest not. Jesus's double verily, verily (ἀμὴν ἀμὴν/amēn amēn) introduces solemn prophecy about Peter's martyrdom. The contrast between youth and age frames the prediction: when thou wast young (ὅτε ἦς νεώτερος/hote ēs neōteros) versus when thou shalt be old (ὅταν δὲ γηράσῃς/hotan de gērasēs).

In youth, Peter girdedst thyself (ἐζώννυες σεαυτόν/ezōnnyes seauton)—dressed himself, prepared himself, acted autonomously. The verb implies self-sufficiency and freedom: walkedst whither thou wouldest (περιεπάτεις ὅπου ἤθελες/periepateis hopou ētheles). Young Peter controlled his movements, chose his path, exercised independent will.

But coming martyrdom reverses this: thou shalt stretch forth thy hands (ἐκτενεῖς τὰς χεῖράς σου/ekteneis tas cheiras sou)—a veiled reference to crucifixion, arms extended on a cross. The phrase another shall gird thee (ζώσει σε ἄλλος/zōsei se allos) indicates loss of control—others will dress him (likely for execution), and carry thee whither thou wouldest not (οἴσει ὅπου οὐ θέλεις/oisei hopou ou theleis) speaks to the natural human reluctance to face death, even martyrdom.

This prophecy fulfills Jesus's earlier words: 'Whither I go, thou canst not follow me now; but thou shalt follow me afterwards' (John 13:36). Peter's brash claim 'I will lay down my life for thy sake' (John 13:37) would indeed come to pass—but in God's timing, through God's strengthening, not Peter's self-confidence.

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Historical & Cultural Context

Church tradition, recorded by early fathers including Clement of Rome, Tertullian, and Eusebius, confirms Peter's martyrdom by crucifixion in Rome during Nero's persecution (circa AD 64-68). Tradition states Peter requested to be crucified upside-down, deeming himself unworthy to die in the same manner as his Lord.

When John wrote this Gospel (likely AD 90-95), Peter's martyrdom was historical fact, explaining the past-tense interpretation in verse 19: 'This spake he, signifying by what death he should glorify God.' John's original readers would recognize this as fulfilled prophecy, strengthening their faith in Christ's foreknowledge and sovereignty.

The progression from Peter's self-confident boast in John 13 to his threefold denial in John 18 to his restoration in John 21 to his eventual martyrdom demonstrates how God transforms weak, vacillating disciples into faithful witnesses. The Peter who once feared a servant girl's accusation (John 18:17) would ultimately face imperial execution with courage.

Reflection Questions

  1. How does Jesus's prophecy about Peter's loss of autonomy in martyrdom challenge modern Western emphasis on personal freedom and self-determination?
  2. What does it mean that even in martyrdom, Peter would be 'carried whither he would not'—going willingly yet with natural human reluctance?
  3. How should Christ's foreknowledge of our trials and even our deaths shape our perspective on suffering and providence?

Original Language Analysis

Greek · 29 words
ἀμὴν1 of 29

“Verily”

G281

properly, firm, i.e., (figuratively) trustworthy; adverbially, surely (often as interjection, so be it)

ἀμὴν2 of 29

“Verily”

G281

properly, firm, i.e., (figuratively) trustworthy; adverbially, surely (often as interjection, so be it)

λέγω3 of 29

“I say”

G3004

properly, to "lay" forth, i.e., (figuratively) relate (in words (usually of systematic or set discourse; whereas g2036 and g5346 generally refer to an

σοι4 of 29

“unto thee”

G4671

to thee

ὅτε5 of 29

“When”

G3753

at which (thing) too, i.e., when

ἦς6 of 29

“thou wast”

G2258

i (thou, etc.) was (wast or were)

νεώτερος7 of 29

“young”

G3501

"new", i.e., (of persons) youthful, or (of things) fresh; figuratively, regenerate

ζώσει8 of 29

“shall gird”

G2224

to bind about (especially with a belt)

σεαυτὸν9 of 29

“thyself”

G4572

of (with, to) thyself

καὶ10 of 29

“and”

G2532

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

περιεπάτεις11 of 29

“walkedst”

G4043

to tread all around, i.e., walk at large (especially as proof of ability); figuratively, to live, deport oneself, follow (as a companion or votary)

ὅπου12 of 29

“thee whither”

G3699

what(-ever) where, i.e., at whichever spot

θέλεις13 of 29

“thou wouldest”

G2309

to determine (as an active option from subjective impulse; whereas g1014 properly denotes rather a passive acquiescence in objective considerations),

ὅταν14 of 29

“when”

G3752

whenever (implying hypothesis or more or less uncertainty); also causatively (conjunctionally) inasmuch as

δὲ15 of 29

“but”

G1161

but, and, etc

γηράσῃς16 of 29

“thou shalt be old”

G1095

to be senescent

ἐκτενεῖς17 of 29

“thou shalt stretch forth”

G1614

to extend

τὰς18 of 29
G3588

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

χεῖράς19 of 29

“hands”

G5495

the hand (literally or figuratively (power); especially (by hebraism) a means or instrument)

σου20 of 29

“thy”

G4675

of thee, thy

καὶ21 of 29

“and”

G2532

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

ἄλλος22 of 29

“another”

G243

"else," i.e., different (in many applications)

σε23 of 29

“thee”

G4571

thee

ζώσει24 of 29

“shall gird”

G2224

to bind about (especially with a belt)

καὶ25 of 29

“and”

G2532

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

οἴσει26 of 29

“carry”

G5342

to "bear" or carry (in a very wide application, literally and figuratively, as follows)

ὅπου27 of 29

“thee whither”

G3699

what(-ever) where, i.e., at whichever spot

οὐ28 of 29

“not”

G3756

the absolute negative (compare g3361) adverb; no or not

θέλεις29 of 29

“thou wouldest”

G2309

to determine (as an active option from subjective impulse; whereas g1014 properly denotes rather a passive acquiescence in objective considerations),

Study Guide

Historical Context

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

Theological Significance

John 21:18 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 John 21:18 from Treasury of Scripture Knowledge

John 13:36Acts 12:3-4Acts 21:11

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