7. Even as--ALFORD translates, "I wish to remind you (Jude 5) that."
      Sodom, &c.-- (2Pe 2:6).
      giving themselves over to fornication--following fornication extraordinarily, that is, out of the order of nature. On "in like manner to them" (Greek), compare Note, see on Jude 6. Compare on spiritual fornication, "go a whoring from thee," Ps 73:27.
      going after strange flesh--departing from the course of nature, and going after that which is unnatural. In later times the most enlightened heathen nations indulged in the sin of Sodom without compunction or shame.
      are set forth--before our eyes.
      suffering--undergoing to this present time; alluding to the marks of volcanic fire about the Dead Sea.
      the vengeance--Greek, "righteous retribution."
      eternal fire--The lasting marks of the fire that consumed the cities irreparably, is a type of the eternal fire to which the inhabitants have been consigned. BENGEL translates as the Greek will admit, "Suffering (the) punishment (which they endure) as an example or sample of eternal fire (namely, that which shall consume the wicked)." Eze 16:53-55 shows that Sodom's punishment, as a nation, is not eternal. Compare also 2Pe 2:6.

JFB.