Matthew 3:12

His winnowing-shovel is in His hand, and He will make a thorough clearance of His threshing-floor, gathering His wheat into the storehouse, but burning up the chaff in unquenchable fire."

Matthew 8:12

while the natural heirs of the Kingdom will be driven out into the darkness outside: there will be the weeping aloud and the gnashing of teeth."

Jude 1:13

wild waves of the sea, foaming out their own shame; wandering stars, for whom is reserved dense darkness of age-long duration.

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
while the natural heirs of the Kingdom will be driven out into the darkness outside: there will be the weeping aloud and the gnashing of teeth."
Jude 1:13
wild waves of the sea, foaming out their own shame; wandering stars, for whom is reserved dense darkness of age-long duration.

A fire

Matthew 3:12
His winnowing-shovel is in His hand, and He will make a thorough clearance of His threshing-floor, gathering His wheat into the storehouse, but burning up the chaff in unquenchable fire."