Matthew 3:12

His winnowing fork is in his hand, and he will clear his threshing floor and gather his wheat into the barn, but the chaff he will burn up with unquenchable fire."

Matthew 8:12

But the sons of the kingdom will be thrown out into the outer darkness. There will be weeping and gnashing of teeth."

Jude 1:13

wild waves of the sea, casting up their own shame like foam; wandering stars, for whom the blackest darkness has been reserved forever.

Treasury of Scripture Knowledge

Summary

All darkness shall be hid in his secret places: a fire not blown shall consume him; it shall go ill with him that is left in his tabernacle.

A fire

Bible References

Darkness

Matthew 8:12
But the sons of the kingdom will be thrown out into the outer darkness. There will be weeping and gnashing of teeth."
Jude 1:13
wild waves of the sea, casting up their own shame like foam; wandering stars, for whom the blackest darkness has been reserved forever.

A fire

Matthew 3:12
His winnowing fork is in his hand, and he will clear his threshing floor and gather his wheat into the barn, but the chaff he will burn up with unquenchable fire."