Deuteronomy 14:8
And the swine, because it divides the hoof, yet chews not the cud, it is unclean unto you: you shall not eat of their flesh, nor touch their dead carcass.
Leviticus 11:26-27
The carcasses of every animal which divides the hoof, and is not cloven footed, nor chews the cud, are unclean unto you: every one that touches them shall be unclean.
Isaiah 65:4
Who remain among the graves, and lodge in the monuments, who eat swine's flesh, and broth of abominable things is in their vessels;
Isaiah 66:3
He that kills an ox is as if he slew a man; he that sacrifices a lamb, as if he breaks a dog's neck; he that offers a grain offering, as if he offered swine's blood; he that burns incense, as if he blessed an idol. Yea, they have chosen their own ways, and their soul delights in their abominations.
Isaiah 66:17
They that sanctify themselves, and purify themselves in the gardens following one in the midst, eating swine's flesh, and the abomination, and the mouse, shall be consumed together, says the LORD.
Luke 15:15-16
And he went and joined himself to a citizen of that country; and he sent him into his fields to feed swine.
2 Peter 2:22
But it is happened unto them according to the true proverb, The dog has turned to his own vomit again; and the sow that was washed to her wallowing in the mire.