'Themselves' in the Bible

just as Sodom and Gomorrah and the adjacent cities, since they in the same way as these angels indulged in gross immoral freedom and unnatural vice and sensual perversity. They are exhibited [in plain sight] as an example in undergoing the punishment of everlasting fire.

But these men sneer at anything which they do not understand; and whatever they do know by [mere] instinct, like unreasoning and irrational beasts—by these things they are destroyed.

Woe to them! For they have gone the [defiant] way of Cain, and for profit they have run headlong into the error of Balaam, and perished in the rebellion of [mutinous] Korah.

These men are hidden reefs [elements of great danger to others] in your love feasts when they feast together with you without fear, looking after [only] themselves; [they are like] clouds without water, swept along by the winds; autumn trees without fruit, doubly dead, uprooted and lifeless;