Isaiah 36:21
They were silent and did not say anything to him because the king commanded them not to answer him.
Proverbs 26:4
Do not answer a fool according to his folly, or you will be like him.
2 Kings 18:26
Then Eliakim son of Hilkiah, and Shebna and Joah said to the Rabshakeh (the commander): Will you kindly make use of the Aramaean language in talking to your servants. We are used to it. Do not use the Jews' language in the hearing of the people on the wall.
2 Kings 18:37
Then Eliakim, Shebna, and Joah tore their clothes in grief. They reported to the king what the Assyrian official had said.
Psalm 38:13-15
But I am like some one deaf and speechless.
Psalm 39:1
([Psalm of David]) I said: I will guard my ways that I may not sin with my tongue. I will guard my mouth as with a muzzle while the wicked are in my presence.
Proverbs 9:7-8
Correct a scoffer and get dishonor for yourself. Rebuke a wicked man and receive insults.
Amos 5:13
The prudent will keep silent for it is an evil time.
Matthew 7:6
Do not give holy things to the dogs (impure persons) (false prophets) (Matthew 7:15). Do not throw your pearls before swine (the most unclean). They will trample them under their feet and turn and tear you to pieces.