Matthew 3:12

whose winnowing fan is in his hand, and he will thoroughly cleanse his threshing floor, and will collect the wheat into his granary; but the chaff will he burn up with fire unquenchable.

2 Thessalonians 1:7-9

and to you who are troubled, rest with us, at the revelation of the Lord Jesus Christ from heaven with his mighty angels,

Hebrews 12:29

for our God is a devouring fire.

Revelation 21:23

And the city had no need of the sun, neither of the moon to shine upon it: for the glory of God illuminates it, and the Lamb is the lamp thereof.

Revelation 22:5

And there shall be no night there, and they have no need of a lamp, or the light of the sun; because the Lord God illumines them: and they shall reign for ever 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 had no need of the sun, neither of the moon to shine upon it: for the glory of God illuminates it, and the Lamb is the lamp thereof.
Revelation 22:5
And there shall be no night there, and they have no need of a lamp, or the light of the sun; because the Lord God illumines them: and they shall reign for ever and ever.

For a flame

Matthew 3:12
whose winnowing fan is in his hand, and he will thoroughly cleanse his threshing floor, and will collect the wheat into his granary; but the chaff will he burn up with fire unquenchable.
2 Thessalonians 1:7
and to you who are troubled, rest with us, at the revelation of the Lord Jesus Christ from heaven with his mighty angels,
Hebrews 12:29
for our God is a devouring fire.