2 Peter 2:4-6

For if God did not spare angels when they sinned, but hurled them down to Tartarus and committed them to dark dungeons to await their doom,

Revelation 2:10

Do not be so afraid of what you are to suffer. See! The devil is going to throw some of you into prison to be tested there and for ten days to suffer pressing troubles. Each one of you must prove to be faithful, even if you have to die, and I will give you the crown of life.

Revelation 3:11

I am coming soon. Hold on to what you have, so that no one may take away your crown.

Treasury of Scripture Knowledge

Summary

The crown is fallen from our head: woe unto us, that we have sinned!

Bible References

The crown

Revelation 2:10
Do not be so afraid of what you are to suffer. See! The devil is going to throw some of you into prison to be tested there and for ten days to suffer pressing troubles. Each one of you must prove to be faithful, even if you have to die, and I will give you the crown of life.
Revelation 3:11
I am coming soon. Hold on to what you have, so that no one may take away your crown.