2 Kings 18:36
The people were silent, and they did not answer him a word, for the command of that king was saying, "You shall not answer him."
Psalm 38:13-14
But as for me, like [the] deaf I cannot hear, and [I am] like [the] mute [who] cannot open his mouth.
Psalm 39:1
I said, "I will guard my ways {that I may not sin} with my tongue. I will keep a muzzle over my mouth as long as [the] wicked [are] before me."
Proverbs 9:7
He who corrects a scoffer gains abuse for himself, and he who rebukes the wicked {gets hurt}.
Proverbs 26:4
Do not answer a fool according to his folly lest you become like him--even you.
Amos 5:13
Therefore, whoever has insight will keep silent in that time, for it [is] a time of evil.
Matthew 7:6
"Do not give what is holy to dogs, or throw your pearls in front of pigs, lest they trample them with their feet, and turn around [and] tear you to pieces.