'Gnashing of Teeth' in the Bible

but the sons of the kingdom shall be cast into the darkness that is without. There shall be weeping and gnashing of teeth.

and cast them into the furnace of fire; there shall be weeping and gnashing of teeth.

and cast them into the furnace of fire: there shall be weeping and gnashing of teeth.

Then the king said to his servants, Bind him hand and foot, and take him away, and throw him into the darkness without: there shall be weeping and gnashing of teeth.

and will cut him in two, and appoint him his part with the hypocrites. There shall be weeping and gnashing of teeth.

And cast the unprofitable servant into the darkness without. There shall be weeping and gnashing of teeth.