Matthew 3:12

whose winnowing shovel is in his hand, and he will thoroughly clean his threshing floor, and gather his wheat into the storehouse; but the chaff he will burn with an inextinguishable fire.

2 Thessalonians 1:7-9

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

Hebrews 12:29

for our God is also a consuming fire.

Revelation 21:23

And the city has no need of the sun, nor of the moon, to give a light to it; for the glory of God lights it, and its light the Lamb.

Revelation 22:5

And there shall be no night, and they shall have no need of a lamp and light, for the Lord God shall shed light on them, and they shall 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 give a light to it; for the glory of God lights it, and its light the Lamb.
Revelation 22:5
And there shall be no night, and they shall have no need of a lamp and light, for the Lord God shall shed light on them, and they shall reign forever and ever.

For a flame

Matthew 3:12
whose winnowing shovel is in his hand, and he will thoroughly clean his threshing floor, and gather his wheat into the storehouse; but the chaff he will burn with an inextinguishable fire.
2 Thessalonians 1:7
and to you who are afflicted rest with us at the revelation of the Lord Jesus from heaven with his mighty angels
Hebrews 12:29
for our God is also a consuming fire.