'Gnashing of Teeth' in the Bible

and the children of the kingdom shall be cast out into the outer darkness; where there will be weeping and gnashing of teeth.

and there shall be wailing and gnashing of teeth.

and shall cast them into the fiery furnace, and there shall be wailing and gnashing of teeth.

and will cut him asunder, and appoint him his portion with hypocrites: where there will be weeping and gnashing of teeth.

and cast out the unprofitable servant into the outer darkness, where there shall be weeping and gnashing of teeth.

and there shall be weeping and gnashing of teeth, when ye see Abraham, and Isaac, and Jacob, and all the prophets in the kingdom of God, and you yourselves shut out.