2 Peter 2:6

and having reduced to ashes the cities of Sodom and Gomorrah, punished them with an overthrow, making them an example to those who should afterward live ungodly:

Jude 1:7

Likewise Sodom and Gomorrah, and the cities around them, which, after their example, had habitually committed uncleanness, and gone after other flesh, are set forth an example, suffering the punishment of an eternal fire.

Treasury of Scripture Knowledge

Summary

And as Esaias said before, Except the Lord of Sabaoth had left us a seed, we had been as Sodoma, and been made like unto Gomorrha.

We had been

Bible References

We had been

Jude 1:7
Likewise Sodom and Gomorrah, and the cities around them, which, after their example, had habitually committed uncleanness, and gone after other flesh, are set forth an example, suffering the punishment of an eternal fire.