Matthew 3:10

the ax is already laid to the root of the trees: every tree then which does not produce good fruit, will be hewn down, and cast into the fire.

John 15:6

if a man abide not in me, he is cast away as withered branches that are gather'd up to be thrown into the fire, where 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
the ax is already laid to the root of the trees: every tree then which does not produce good fruit, will be hewn down, and cast into the fire.
John 15:6
if a man abide not in me, he is cast away as withered branches that are gather'd up to be thrown into the fire, where they are burned.