2 Peter 2:4

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

Jude 1:6

and the angels who neglected their responsibilities and abandoned their homes he has put in everlasting chains to be kept in darkness for the judgment of the great Day,

Treasury of Scripture Knowledge

Summary

Behold, he put no trust in his servants; and his angels he charged with folly:

And his angels he charged with folly

Bible References

And his angels he charged with folly

2 Peter 2:4
For if God did not spare angels when they sinned, but plunged them into Tartarus, and committed them to dark dungeons to await their doom,
Jude 1:6
and the angels who neglected their responsibilities and abandoned their homes he has put in everlasting chains to be kept in darkness for the judgment of the great Day,