Matthew 13:50 in the King James Version
And shall cast them into the furnace of fire: there shall be wailing and gnashing of teeth.
Context
49 So it will be in the end of the world. The angels will come and separate the wicked from among the righteous,
50 and will cast them into the furnace of fire. There will be weeping and gnashing of teeth.”
51 Jesus said to them, “Have you understood all these things?” They answered him, “Yes, Lord.”