John 15:6

If any one does not remain united to me, he is thrown away, as a branch would be, and withers up. Such branches are collected and thrown into the fire, and are burnt.

Matthew 3:12

His winnowing-fan is in his hand, and he will clear his threshing-floor, and store his grain in the barn, but the chaff he will burn with inextinguishable fire."

Hebrews 6:8

but, if it 'bears thorns and thistles,' it is regarded as worthless, it is in danger of being 'cursed,' and its end will be the fire.

Hebrews 12:29

For our God is 'a consuming fire.'

Treasury of Scripture Knowledge

Summary

Behold, it is cast into the fire for fuel; the fire devoureth both the ends of it, and the midst of it is burned. Is it meet for any work?

It is cast

General references

Bible References

It is cast

John 15:6
If any one does not remain united to me, he is thrown away, as a branch would be, and withers up. Such branches are collected and thrown into the fire, and are burnt.
Hebrews 6:8
but, if it 'bears thorns and thistles,' it is regarded as worthless, it is in danger of being 'cursed,' and its end will be the fire.

General references

Luke 3:9
Already, indeed, the axe is lying at the root of the trees. Therefore every tree that fails to bear good fruit will be cut down and thrown into the fire."
Luke 23:31
If what you see is done while the tree is green, what will happen when it is dry?"