King James Version

What Does Isaiah 10:17 Mean?

Isaiah 10:17 in the King James Version says “And the light of Israel shall be for a fire, and his Holy One for a flame: and it shall burn and devour his thorns and h... — study this verse from Isaiah chapter 10 with commentary, cross-references, and original Hebrew word analysis.

And the light of Israel shall be for a fire, and his Holy One for a flame: and it shall burn and devour his thorns and his briers in one day;

Isaiah 10:17 · KJV


Context

15

Shall the axe boast itself against him that heweth therewith? or shall the saw magnify itself against him that shaketh it? as if the rod should shake itself against them that lift it up, or as if the staff should lift up itself, as if it were no wood. the rod: or, a rod should shake them that lift it up itself, as if: or, that which is not wood

16

Therefore shall the Lord, the Lord of hosts, send among his fat ones leanness; and under his glory he shall kindle a burning like the burning of a fire.

17

And the light of Israel shall be for a fire, and his Holy One for a flame: and it shall burn and devour his thorns and his briers in one day;

18

And shall consume the glory of his forest, and of his fruitful field, both soul and body: and they shall be as when a standardbearer fainteth. both: Heb. from the soul, and even to the flesh

19

And the rest of the trees of his forest shall be few, that a child may write them. few: Heb. number


Commentary

KJV Study Commentary
The 'light of Israel' and 'his Holy One' both refer to God, who becomes 'a fire' and 'a flame' to consume Assyria. The reference to burning 'his thorns and his briers' echoes earlier judgment imagery (9:18). 'In one day' emphasizes suddenness—comprehensive judgment executed swiftly. This demonstrates God's dual nature toward humanity: light and life to His people, consuming fire to His enemies. The same holy God who saves also judges. His holiness demands both.

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Historical & Cultural Context

Fulfilled when 185,000 Assyrian soldiers died 'in one night' (Isaiah 37:36; 2 Kings 19:35). What seemed impossible—destroying a massive army without battle—God accomplished in hours. The phrase 'in one day' wasn't hyperbole but literal prediction. This miracle vindicated God's sovereignty and demonstrated His power to protect His people while judging their enemies.

Reflection Questions

  1. How is God simultaneously light to His people and consuming fire to His enemies?
  2. What does the 'one day' destruction teach about God's ability to accomplish what seems impossible?
  3. How should God's holiness produce both comfort (for believers) and fear (for unbelievers)?

Original Language Analysis

Hebrew · 12 words
וְהָיָ֤ה1 of 12
H1961

to exist, i.e., be or become, come to pass (always emphatic, and not a mere copula or auxiliary)

אֽוֹר2 of 12

And the light

H216

illumination or (concrete) luminary (in every sense, including lightning, happiness, etc.)

יִשְׂרָאֵל֙3 of 12

of Israel

H3478

he will rule as god; jisral, a symbolical name of jacob; also (typically) of his posterity

לְאֵ֔שׁ4 of 12

shall be for a fire

H784

fire (literally or figuratively)

וּקְדוֹשׁ֖וֹ5 of 12

and his Holy One

H6918

sacred (ceremonially or morally); (as noun) god (by eminence), an angel, a saint, a sanctuary

לְלֶהָבָ֑ה6 of 12

for a flame

H3852

flame

וּבָעֲרָ֗ה7 of 12

and it shall burn

H1197

to be(-come) brutish

וְאָֽכְלָ֛ה8 of 12

and devour

H398

to eat (literally or figuratively)

שִׁית֥וֹ9 of 12

his thorns

H7898

scrub or trash, i.e., wild growth of weeds or briers (as if put on the field)

וּשְׁמִיר֖וֹ10 of 12

and his briers

H8068

a thorn; also (from its keenness for scratching) a gem, probably the diamond

בְּי֥וֹם11 of 12

day

H3117

a day (as the warm hours), whether literal (from sunrise to sunset, or from one sunset to the next), or figurative (a space of time defined by an asso

אֶחָֽד׃12 of 12

in one

H259

properly, united, i.e., one; or (as an ordinal) first


Study Guide

Historical Context

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

Theological Significance

Isaiah 10:17 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 Isaiah 10:17 from Treasury of Scripture Knowledge

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