Matthew 3:12

His winnowing-fan is in his hand, and he will thoroughly cleanse the threshing-floor. He will store his wheat in the granary, but will burn up the chaff in unquenchable fire."

2 Thessalonians 1:7-9

and give to you, who are now troubled, rest, along with me at the unveiling "apocalypse" of the Lord Jesus from heaven, with his mighty angels,

Hebrews 12:29

FOR INDEED OUR GOD IS A CONSUMING FIRE.

Revelation 21:23

And the city has no need of the sun, Nor of the moon, to shine upon it; For the glory of God has lightened it, And its lamp is the Lamb.

Revelation 22:5

Night will be no more. They will need no lamplight nor sunlight, Because the Lord God will give them light; And they will reign forever and ever.

Treasury of Scripture Knowledge

Summary

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;

Bible References

The light

Revelation 21:23
And the city has no need of the sun, Nor of the moon, to shine upon it; For the glory of God has lightened it, And its lamp is the Lamb.
Revelation 22:5
Night will be no more. They will need no lamplight nor sunlight, Because the Lord God will give them light; And they will reign forever and ever.

For a flame

Matthew 3:12
His winnowing-fan is in his hand, and he will thoroughly cleanse the threshing-floor. He will store his wheat in the granary, but will burn up the chaff in unquenchable fire."
2 Thessalonians 1:7
and give to you, who are now troubled, rest, along with me at the unveiling "apocalypse" of the Lord Jesus from heaven, with his mighty angels,
Hebrews 12:29
FOR INDEED OUR GOD IS A CONSUMING FIRE.