And whosoever will not receive you, nor hear you, when ye depart thence, shake off the dust under your feet for a testimony against them. Verily I say unto you, it shall be more tolerable for Sodom or Gomorrah in the day of judgement, than for that city.

And as Esaias said before, "Except the Lord of hosts had left us a seed, we had been as Sodom, and we had been made like unto Gomorrah."