Jude 1:15

to execute judgment upon all, and to convict all the godless of all the godless deeds they have done, and of all the harsh things that godless sinners have said against him."

Matthew 10:25

A pupil should be satisfied to come to be like his teacher, or a slave, to come to be like his master. If men have called the head of the house Beelzebub, how much worse names will they give to the members of his household!

Matthew 12:24

But when the Pharisees heard of it they said, "This man cannot drive out demons except by the aid of Beelzebub, the prince of the demons."

John 8:44

The devil is the father you are sprung from, and you want to carry out your father's wishes. He was a murderer from the first, and he has nothing to do with the truth, for there is no truth in him. When he tells a lie, he speaks in his true character, for he is a liar and the father of them.

John 8:48

The Jews answered, "Are we not right in saying that you are a Samaritan and are possessed?"

Acts 25:7

When he came, the Jews who had come down from Jerusalem surrounded him, and made a number of serious charges against him, which they could not substantiate.

Revelation 21:8

But the cowardly, unfaithful, and polluted??urderers, immoral people, those who practice magic or idolatry, and all liars will find themselves in the burning lake of fire and brimstone. This is the second death."

Revelation 22:15

The dogs, those who practice magic or immorality, murderers, idolaters, and anyone who loves falsehood or tells lies will be shut out of it.

Treasury of Scripture Knowledge

Summary

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

Grievous things

Bible References

The lying

John 8:44
The devil is the father you are sprung from, and you want to carry out your father's wishes. He was a murderer from the first, and he has nothing to do with the truth, for there is no truth in him. When he tells a lie, he speaks in his true character, for he is a liar and the father of them.
Revelation 21:8
But the cowardly, unfaithful, and polluted??urderers, immoral people, those who practice magic or idolatry, and all liars will find themselves in the burning lake of fire and brimstone. This is the second death."
Revelation 22:15
The dogs, those who practice magic or immorality, murderers, idolaters, and anyone who loves falsehood or tells lies will be shut out of it.

Speak

Matthew 10:25
A pupil should be satisfied to come to be like his teacher, or a slave, to come to be like his master. If men have called the head of the house Beelzebub, how much worse names will they give to the members of his household!
Matthew 12:24
But when the Pharisees heard of it they said, "This man cannot drive out demons except by the aid of Beelzebub, the prince of the demons."
John 8:48
The Jews answered, "Are we not right in saying that you are a Samaritan and are possessed?"
Acts 25:7
When he came, the Jews who had come down from Jerusalem surrounded him, and made a number of serious charges against him, which they could not substantiate.

Grievous things

Jude 1:15
to execute judgment upon all, and to convict all the godless of all the godless deeds they have done, and of all the harsh things that godless sinners have said against him."