2 Peter 2:6
He condemned the cities of Sodom and Gomorrah and reduced them to ashes, holding them up as a warning to the godless of what was in store for them;
Jude 1:7
Like Sodom and Gomorrah and the towns near them, which gave themselves up to fornication, and fell into unnatural vice, these angels now stand out as a warning, undergoing, as they are, the punishment of aeonian fire.
Luke 17:28-30
So, too, in the days of Lot. People were eating, drinking, buying, selling, planting, building;
1 Corinthians 10:11
These things happened to them by way of warning, and were recorded to serve as a caution to us, in whose days the close of the ages has come.
Jude 1:15
to execute judgment upon all men, and to convict all godless people of all their godless acts, which in their ungodliness they have committed, and of all the harsh words which they have spoken against him, godless sinners that they are!'