Matthew 3:10

The axe is lying all ready at the root of the trees; any tree that is not producing good fruit will be cut down and thrown into the fire.

John 15:6

If anyone does not remain in me he is thrown aside like a branch and he withers up; then the branches are gathered and thrown into the fire to be burned.

Treasury of Scripture Knowledge

Summary

But she was plucked up in fury, she was cast down to the ground, and the east wind dried up her fruit: her strong rods were broken and withered; the fire consumed them.

Bible References

The fire

Matthew 3:10
The axe is lying all ready at the root of the trees; any tree that is not producing good fruit will be cut down and thrown into the fire.
John 15:6
If anyone does not remain in me he is thrown aside like a branch and he withers up; then the branches are gathered and thrown into the fire to be burned.