Isaiah 36:21
And they were silent, and answered him not a word; for the king's command was, saying, Answer him not.
Proverbs 26:4
Answer not a fool according to his folly, lest thou also be like unto him.
2 Kings 18:26
And Eliakim the son of Hilkijah, and Shebnah and Joah said to Rab-shakeh, Speak, we pray thee, to thy servants in Syriac, for we understand it, and talk not with us in the Jewish language in the ears of the people that are on the wall.
2 Kings 18:37
And Eliakim the son of Hilkijah, who was over the household, and Shebna the scribe, and Joah the son of Asaph, the chronicler, came to Hezekiah with their garments rent, and told him the words of Rab-shakeh.
Psalm 38:13-15
But I, as a deaf man, hear not; and am as a dumb man that openeth not his mouth.
Psalm 39:1
{To the chief Musician, to Jeduthun. A Psalm of David.} I said, I will take heed to my ways, that I sin not with my tongue: I will keep my mouth with a muzzle, while the wicked is before me.
Proverbs 9:7-8
He that instructeth a scorner getteth to himself shame; and he that reproveth a wicked man getteth to himself a blot.
Amos 5:13
Therefore the prudent shall keep silence in this time; for it is an evil time.
Matthew 7:6
Give not that which is holy to the dogs, nor cast your pearls before the swine, lest they trample them with their feet, and turning round rend you.