Matthew 13:42

"and will throw them into the fiery furnace. There will be the weeping and the gnashing of teeth.

Matthew 22:13

"'Bind him hand and foot, 'said the king to his officers, 'and cast him into the outer darkness; there will be the wailing and the gnashing of teeth.'

Matthew 25:30

But cast out the worthless slave into the outer darkness; there will be the weeping and the gnashing of teeth.'

Treasury of Scripture Knowledge

Summary

And in every province, whithersoever the king's commandment and his decree came, there was great mourning among the Jews, and fasting, and weeping, and wailing; and many lay in sackcloth and ashes.

Bible References

Weeping

Matthew 13:42
"and will throw them into the fiery furnace. There will be the weeping and the gnashing of teeth.
Matthew 22:13
"'Bind him hand and foot, 'said the king to his officers, 'and cast him into the outer darkness; there will be the wailing and the gnashing of teeth.'
Matthew 25:30
But cast out the worthless slave into the outer darkness; there will be the weeping and the gnashing of teeth.'