And the swine, though it divides the hoof, and is cloven footed, yet it chews not the cud; it is unclean to you.
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.
The boar out of the wood does waste it, and the wild beast of the field does devour it.
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.
As a jewel of gold in a swine's snout, so is a beautiful woman who is without discretion.
Give not that which is holy unto the dogs, neither cast your pearls before swine, lest they trample them under their feet, and turn again and tear you.
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.
And there was a good way off from them a herd of many swine feeding.
Now there was there near unto the mountains a great herd of swine feeding.
So the demons besought him, saying, If you cast us out, allow us to go away into the herd of swine.
And all the demons begged him, saying, Send us into the swine, that we may enter into them.
And he said unto them, Go. And when they came out, they went into the herd of swine: and, behold, the whole herd of swine ran violently down a steep place into the sea, and perished in the waters.
And they that saw it told them what had happened to him that was possessed with the demon, and also concerning the swine.
And he went and joined himself to a citizen of that country; and he sent him into his fields to feed swine.