Matthew 3:10

But already the ax is laid to the root of the trees; therefore every tree not producing good fruit is hewn down and cast into the fire.

John 15:6

If any one may not abide in me, he is cast out as a branch, and withered; and they gather it, and cast it into the fire, and it is burnt.

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
But already the ax is laid to the root of the trees; therefore every tree not producing good fruit is hewn down and cast into the fire.
John 15:6
If any one may not abide in me, he is cast out as a branch, and withered; and they gather it, and cast it into the fire, and it is burnt.