King James Version

What Does Matthew 23:20 Mean?

Matthew 23:20 in the King James Version says “Whoso therefore shall swear by the altar, sweareth by it, and by all things thereon . — study this verse from Matthew chapter 23 with commentary, cross-references, and original Greek word analysis.

Whoso therefore shall swear by the altar, sweareth by it, and by all things thereon .

Matthew 23:20 · KJV


Context

18

And, Whosoever shall swear by the altar, it is nothing; but whosoever sweareth by the gift that is upon it, he is guilty. guilty: or, debtor, or, bound

19

Ye fools and blind: for whether is greater, the gift, or the altar that sanctifieth the gift?

20

Whoso therefore shall swear by the altar, sweareth by it, and by all things thereon .

21

And whoso shall swear by the temple, sweareth by it, and by him that dwelleth therein.

22

And he that shall swear by heaven, sweareth by the throne of God, and by him that sitteth thereon .


Commentary

KJV Study Commentary
Whoso therefore shall swear by the altar, sweareth by it, and by all things thereon—the particle oun (οὖν, therefore) introduces Jesus's logical conclusion from verses 18-19. The phrase omnuei en autō kai en pasin tois epanō autou (ὀμνύει ἐν αὐτῷ καὶ ἐν πᾶσιν τοῖς ἐπάνω αὐτοῦ, swears by it and by all things upon it) establishes an inseparable unity: altar and offerings form one sacred whole.

Jesus dismantles Pharisaic casuistry by showing its internal contradiction. If the altar sanctifies what's on it, then swearing by the altar implicitly invokes everything associated with it, including the gifts. Their artificial distinction collapses under scrutiny. More fundamentally, Jesus is preparing the final blow (verse 22): all oaths ultimately invoke God Himself, making evasive distinctions meaningless. The Pharisees' elaborate oath hierarchy was theological fraud, allowing them to lie while appearing righteous.

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Historical & Cultural Context

Jewish oath-taking developed complex traditions beyond biblical commands. The Mishnah (compiled AD 200 but reflecting earlier oral traditions) devoted entire tractates (Shebuot, Nedarim) to oath regulations. Jesus's teaching cut through this complexity, insisting on simple honesty that needs no oaths (Matthew 5:33-37).

Reflection Questions

  1. Why does complexity in religious rules often serve dishonesty rather than righteousness?
  2. How does Jesus's logic expose the hollowness of the Pharisees' oath system?
  3. What does this verse teach about the interconnected nature of sacred things?

Original Language Analysis

Greek · 15 words
1 of 15
G3588

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

οὖν2 of 15

Whoso therefore

G3767

(adverbially) certainly, or (conjunctionally) accordingly

ὀμνύει3 of 15

shall swear

G3660

to swear, i.e., take (or declare on) oath

ἐν4 of 15

by

G1722

"in," at, (up-)on, by, etc

τῷ5 of 15
G3588

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

θυσιαστηρίῳ6 of 15

the altar

G2379

a place of sacrifice, i.e., an altar (special or genitive case, literal or figurative)

ὀμνύει7 of 15

shall swear

G3660

to swear, i.e., take (or declare on) oath

ἐν8 of 15

by

G1722

"in," at, (up-)on, by, etc

αὐτοῦ·9 of 15

it

G846

the reflexive pronoun self, used (alone or in the comparative g1438) of the third person, and (with the proper personal pronoun) of the other persons

καὶ10 of 15

and

G2532

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

ἐν11 of 15

by

G1722

"in," at, (up-)on, by, etc

πάσιν12 of 15

all things

G3956

all, any, every, the whole

τοῖς13 of 15
G3588

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

ἐπάνω14 of 15
G1883

up above, i.e., over or on (of place, amount, rank, etc.)

αὐτοῦ·15 of 15

it

G846

the reflexive pronoun self, used (alone or in the comparative g1438) of the third person, and (with the proper personal pronoun) of the other persons


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 23:20 contributes to our understanding of God's character and His relationship with humanity. Consider how this verse connects to the broader themes of Scripture.

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