Matthew 7:6
Give not that which is holy to dogs, neither cast ye your pearls before swine; lest they trample them under their feet, and turn upon you and rend you.
Luke 8:33
And the demons coming out of the man went into the swine; and the herd rushed down the steep into the lake, and were drowned.
Luke 15:15
And he went and 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 great swelling words of vanity, they allure in the lusts of the flesh, by dissolute ways, such as were in some measure escaping from those who live in error;