Jude 1:15

to execute judgment on all, and to convict all the ungodly of all their ungodly deeds which they have done in an ungodly way, and of all the harsh things which ungodly sinners have spoken against him."

Matthew 10:25

It is enough for the disciple to be like his teacher, and the servant like his master. If they have called the master of the house Beelzebub, how much more will they call those of his household!

Matthew 12:24

But when the Pharisees heard this they said, "It is only by Beelzebub, the prince of demons, that this fellow drives out demons."

John 8:44

You are of your father the devil, and you want to do your father's desires. He was a murderer from the beginning, and does not stand in the truth, because there is no truth in him. When he lies, he speaks according to his own nature, for he is a liar and the father of lies.

John 8:48

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

Acts 25:7

And when Paul arrived, the Jews who had come down from Jerusalem stood around him, bringing many serious charges against him, which they could not prove.

Revelation 21:8

But as for the cowardly, the unbelieving, the immoral, as for murderers, fornicators, sorcerers, idolaters, and all liars, their lot will be in the lake that burns with fire and sulfur, which is the second death."

Revelation 22:15

Outside are the dogs and the sorcerers and the immoral persons and the murderers and the idolaters, and everyone who loves and practices falsehood.

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
You are of your father the devil, and you want to do your father's desires. He was a murderer from the beginning, and does not stand in the truth, because there is no truth in him. When he lies, he speaks according to his own nature, for he is a liar and the father of lies.
Revelation 21:8
But as for the cowardly, the unbelieving, the immoral, as for murderers, fornicators, sorcerers, idolaters, and all liars, their lot will be in the lake that burns with fire and sulfur, which is the second death."
Revelation 22:15
Outside are the dogs and the sorcerers and the immoral persons and the murderers and the idolaters, and everyone who loves and practices falsehood.

Speak

Matthew 10:25
It is enough for the disciple to be like his teacher, and the servant like his master. If they have called the master of the house Beelzebub, how much more will they call those of his household!
Matthew 12:24
But when the Pharisees heard this they said, "It is only by Beelzebub, the prince of demons, that this fellow drives out demons."
John 8:48
The Jews answered him, "Are we not right in saying that you are a Samaritan and have a demon?"
Acts 25:7
And when Paul arrived, the Jews who had come down from Jerusalem stood around him, bringing many serious charges against him, which they could not prove.

Grievous things

Jude 1:15
to execute judgment on all, and to convict all the ungodly of all their ungodly deeds which they have done in an ungodly way, and of all the harsh things which ungodly sinners have spoken against him."