Psalm 31:18

"Let the lying lips be put to silence; which speak grievous things proudly and contemptuously against the righteous."

Cross References (ranked by relevance)

Psalm 94:4

How long shall they utter and speak hard things? and all the workers of iniquity boast themselves?

Jude 1:15

To execute judgment upon all, and to convince all that are ungodly among them of all their ungodly deeds which they have ungodly committed, and of all their hard speeches which ungodly sinners have spoken against him.

1 Samuel 2:3

Talk no more so exceeding proudly; let not arrogancy come out of your mouth: for the LORD is a God of knowledge, and by him actions are weighed.

Isaiah 54:17

No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD.

Acts 25:7

And when he was come, the Jews which came down from Jerusalem stood round about, and laid many and grievous complaints against Paul, which they could not prove.

John 8:44

Ye are of your father the devil, and the lusts of your father ye will do. He was a murderer from the beginning, and abode not in the truth, because there is no truth in him. When he speaketh a lie, he speaketh of his own: for he is a liar, and the father of it.

Matthew 12:24

But when the Pharisees heard it, they said, This fellow doth not cast out devils, but by Beelzebub the prince of the devils.

Revelation 22:15

For without are dogs, and sorcerers, and whoremongers, and murderers, and idolaters, and whosoever loveth and maketh a lie.

Revelation 21:8

But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.

John 8:48

Then answered the Jews, and said unto him, Say we not well that thou art a Samaritan, and hast a devil?

2 Chronicles 32:16

And his servants spake yet more against the LORD God, and against his servant Hezekiah.

Psalm 59:12

For the sin of their mouth and the words of their lips let them even be taken in their pride: and for cursing and lying which they speak.

Psalm 12:3

The LORD shall cut off all flattering lips, and the tongue that speaketh proud things:

Psalm 120:2

Deliver my soul, O LORD, from lying lips, and from a deceitful tongue.

Proverbs 12:19

The lip of truth shall be established for ever: but a lying tongue is but for a moment.

Psalm 63:11

But the king shall rejoice in God; every one that sweareth by him shall glory: but the mouth of them that speak lies shall be stopped.

Matthew 10:25

It is enough for the disciple that he be as his master, and the servant as his lord. If they have called the master of the house Beelzebub, how much more shall they call them of his household?