Matthew 7:6
Give not that which is holy to the dogs, neither cast your pearls before the swine, lest they may trample them under their feet, and having turned round tear you to pieces.
Luke 8:33
And the demons having come out from the man, came into the swine: and the herd rushed down a precipice into the sea, and were strangled.
Luke 15:15
And having gone he joined himself to one of the citizens of that country: and he sent him into his fields to feed swine:
2 Peter 2:18-22
For speaking swelling words of vanity, in the lusts of the flesh they beguile with their impurities, those that have but partially escaped, who are still moving about in their delusion;