2 Peter 2:4

For if God spared not the angels that sinned, but cast them down to Tartarus, and delivered them over to chains of darkness, to be kept for judgment;

Jude 1:6

The angels also that kept not their own dominion, but left their proper habitation, he has reserved, in eternal chains under darkness, to 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 spared not the angels that sinned, but cast them down to Tartarus, and delivered them over to chains of darkness, to be kept for judgment;
Jude 1:6
The angels also that kept not their own dominion, but left their proper habitation, he has reserved, in eternal chains under darkness, to the judgment of the great day.