Isaiah 36:21
But they were silent and did not answer him a word, for the command of the king was, "You must not answer him."
Proverbs 26:4
Do not answer a fool according to his folly lest you become like him--even you.
2 Kings 18:26
Then Eliakim the son of Hilkiah and Shebna and Joah said to the chief commander, "Please speak to your servants in Aramaic, for we [are] understanding, but you must not speak Judean with us in the ears of the people who [are] on the wall."
2 Kings 18:37
Eliakim the son of Hilkiah who was over the palace, and Shebna the secretary, and Joah the son of Asaph the recorder came to Hezekiah [with] torn clothes, and they told him the words of the chief commander.
Psalm 38:13-15
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 9:7-8
He who corrects a scoffer gains abuse for himself, and he who rebukes the wicked {gets hurt}.
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.