Matthew 7:6

"Don't give that which is holy to the dogs, neither throw your pearls before the pigs, lest perhaps they trample them under their feet, and turn and tear you to pieces.

Proverbs 9:7-8

He who corrects a mocker invites insult. He who reproves a wicked man invites abuse.

Proverbs 23:9

Don't speak in the ears of a fool, for he will despise the wisdom of your words.

Matthew 15:26

But he answered, "It is not appropriate to take the children's bread and throw it to the dogs."

Philippians 3:2

Beware of the dogs, beware of the evil workers, beware of the false circumcision.

Proverbs 26:11

As a dog that returns to his vomit, so is a fool who repeats his folly.

Matthew 10:14-15

Whoever doesn't receive you, nor hear your words, as you go out of that house or that city, shake off the dust from your feet.

Matthew 22:5-6

But they made light of it, and went their ways, one to his own farm, another to his merchandise,

Matthew 24:10

Then many will stumble, and will deliver up one another, and will hate one another.

Acts 13:45-47

But when the Jews saw the multitudes, they were filled with jealousy, and contradicted the things which were spoken by Paul, and blasphemed.

2 Timothy 4:14-15

Alexander, the coppersmith, did much evil to me. The Lord will repay him according to his works,

Hebrews 6:6

and then fell away, it is impossible to renew them again to repentance; seeing they crucify the Son of God for themselves again, and put him to open shame.

Hebrews 10:29

How much worse punishment, do you think, will he be judged worthy of, who has trodden under foot the Son of God, and has counted the blood of the covenant with which he was sanctified an unholy thing, and has insulted the Spirit of grace?

2 Peter 2:22

But it has happened to them according to the true proverb, "The dog turns to his own vomit again," and "the sow that has washed to wallowing in the mire."

Proverbs 11:22

Like a gold ring in a pig's snout, is a beautiful woman who lacks discretion.

2 Corinthians 11:26

I have been in travels often, perils of rivers, perils of robbers, perils from my countrymen, perils from the Gentiles, perils in the city, perils in the wilderness, perils in the sea, perils among false brothers;

Treasury of Scripture Knowledge

Summary

Give not that which is holy unto the dogs, neither cast ye your pearls before swine, lest they trample them under their feet, and turn again and rend you.

Bible References

That

Matthew 10:14
Whoever doesn't receive you, nor hear your words, as you go out of that house or that city, shake off the dust from your feet.
Matthew 15:26
But he answered, "It is not appropriate to take the children's bread and throw it to the dogs."
Proverbs 9:7
He who corrects a mocker invites insult. He who reproves a wicked man invites abuse.
Proverbs 23:9
Don't speak in the ears of a fool, for he will despise the wisdom of your words.
Proverbs 26:11
As a dog that returns to his vomit, so is a fool who repeats his folly.
Acts 13:45
But when the Jews saw the multitudes, they were filled with jealousy, and contradicted the things which were spoken by Paul, and blasphemed.
Philippians 3:2
Beware of the dogs, beware of the evil workers, beware of the false circumcision.
Hebrews 6:6
and then fell away, it is impossible to renew them again to repentance; seeing they crucify the Son of God for themselves again, and put him to open shame.
Hebrews 10:29
How much worse punishment, do you think, will he be judged worthy of, who has trodden under foot the Son of God, and has counted the blood of the covenant with which he was sanctified an unholy thing, and has insulted the Spirit of grace?
2 Peter 2:22
But it has happened to them according to the true proverb, "The dog turns to his own vomit again," and "the sow that has washed to wallowing in the mire."

Cast

Proverbs 11:22
Like a gold ring in a pig's snout, is a beautiful woman who lacks discretion.

Turn

Matthew 22:5
But they made light of it, and went their ways, one to his own farm, another to his merchandise,
Matthew 24:10
Then many will stumble, and will deliver up one another, and will hate one another.
2 Corinthians 11:26
I have been in travels often, perils of rivers, perils of robbers, perils from my countrymen, perils from the Gentiles, perils in the city, perils in the wilderness, perils in the sea, perils among false brothers;
2 Timothy 4:14
Alexander, the coppersmith, did much evil to me. The Lord will repay him according to his works,

General references

Proverbs 29:9
If a wise man goes to court with a foolish man, the fool rages or scoffs, and there is no peace.
Isaiah 36:21
But they remained silent, and said nothing in reply, for the king's commandment was, "Don't answer him."
Mark 8:13
He left them, and again entering into the boat, departed to the other side.
1 Corinthians 14:38
But if anyone is ignorant, let him be ignorant.