Matthew 18:6

But whoever leads one of these little ones, who believe in me, to do wrong, had better have a great millstone hung around his neck to sink him to the bottom of the sea.

Revelation 18:21

Then a mighty angel picked up a stone like a huge millstone and hurled it into the sea, saying: "With violence like this, Babylon the great city will be hurled to ruin, and it will never be found again.

Treasury of Scripture Knowledge

Summary

The depths have covered them: they sank into the bottom as a stone.

Depths

Bible References

Depths

Matthew 18:6
But whoever leads one of these little ones, who believe in me, to do wrong, had better have a great millstone hung around his neck to sink him to the bottom of the sea.

They

Revelation 18:21
Then a mighty angel picked up a stone like a huge millstone and hurled it into the sea, saying: "With violence like this, Babylon the great city will be hurled to ruin, and it will never be found again.