Isaiah 36:21
But the people remained silent and didn't respond to him with so much as a single word, because the king had commanded, "Don't answer him."
Proverbs 26:4
Don't answer a fool according to his foolishness, or you will be just like him.
2 Kings 18:26
At this, Hilkiah's son Eliakim, Shebnah, and Joah asked Rab-shakeh, "Please speak to your servants in Aramaic, because we understand it, but don't speak the language of Judah to us within the hearing of the people who are on the wall."
2 Kings 18:37
But Hilkiah's son Eliakim, who managed the household, Shebna the scribe, and Asaph's son Joah the recorder came back to Hezekiah with their clothes torn and told him what Rab-shakeh had said.
Psalm 38:13-15
I am like the deaf, who cannot hear, and like the mute, who cannot open his mouth.
Psalm 39:1
I told myself, "I will keep watch over my tongue to keep from sinning. I will muzzle my mouth when the wicked are around."
Proverbs 9:7-8
Whoever corrects a mocker invites only insult, and whoever rebukes the wicked will himself become stained.
Amos 5:13
therefore the prudent person remains silent at such a time, for the time is evil.
Matthew 7:6
"Never give what is holy to dogs or throw your pearls before pigs. Otherwise, they will trample them with their feet and then turn around and attack you."