Proverbs 11:12
"He that is void of wisdom despiseth his neighbour: but a man of understanding holdeth his peace."
Cross References (ranked by relevance)
Who, when he was reviled, reviled not again; when he suffered, he threatened not; but committed himself to him that judgeth righteously:
In the multitude of words there wanteth not sin: but he that refraineth his lips is wise.
And he spake this parable unto certain which trusted in themselves that they were righteous, and despised others:
And the Pharisees also, who were covetous, heard all these things: and they derided him.
He that despiseth his neighbour sinneth: but he that hath mercy on the poor, happy is he.
Then said Zebul unto him, Where is now thy mouth, wherewith thou saidst, Who is Abimelech, that we should serve him? is not this the people that thou hast despised? go out, I pray now, and fight with them.
But the people held their peace, and answered him not a word: for the king’s commandment was, saying, Answer him not.
But the children of Belial said, How shall this man save us? And they despised him, and brought him no presents. But he held his peace.