Matthew 3:10

And already the axe is lying at the root of the trees, so that every tree which does not produce good fruit will quickly be hewn down and thrown into the fire.

John 15:6

If any one does not continue in me, he is like the unfruitful branch which is at once thrown away and then withers up. Such branches they gather up and throw into the fire and they are 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
And already the axe is lying at the root of the trees, so that every tree which does not produce good fruit will quickly be hewn down and thrown into the fire.
John 15:6
If any one does not continue in me, he is like the unfruitful branch which is at once thrown away and then withers up. Such branches they gather up and throw into the fire and they are burned.