2 Peter 2:3-6

3By covetousness they will exploit you with deceptive words; for a long time their judgment has not been idle, and their destruction does not slumber.

4For if God did not spare the angels who sinned, but cast them down to hell and delivered them into chains of darkness, to be reserved for judgment;

5and did not spare the ancient world, but saved Noah, one of eight people, a preacher of righteousness, bringing in the flood on the world of the ungodly;

6and turning the cities of Sodom and Gomorrah into ashes, condemned them to destruction, making them an example to those who afterward would live ungodly;