In Leviticus 11:7 and Matthew 7:6, this signifies filthy loves of those in the hells of adulterers. (Apocalypse Explained 1044[4]) Swine signify people who love only worldly riches. (Apocalypse Revealed 727)

In Isaiah 65:4, this signifies appropriation of infernal evils. (Apocalypse Explained 659[2]) 'Swine' or 'hogs' correspond to the life of greed and its delight.

(References: Arcana Coelestia 1742)

230. But it must be understood that the angels have no power whatever from themselves, but that all their power is from the Lord; and that they are powers only so far as they acknowledge this. Whoever of them believes that he has power from himself instantly becomes so weak as not to be able to resist even a single evil spirit. For this reason angels ascribe no merit whatever to themselves, and are averse to all praise and glory on account of any thing they do, ascribing all the praise and glory to the Lord.