James 3:6
The tongue, a fire, the world of iniquity: the tongue sits down in the midst of our members, and corrupting the whole body, and setting on fire the course of nature; and it is set on fire from hell.
Matthew 5:22
but I say unto you that every one being angry with his brother, shall be in danger of the judgment; and whosoever may say to his brother, Thou scoundrel, shall be in danger of the council; and whosoever may say, Thou fool, shall be liable unto a hell of fire.
Matthew 12:24
And the Pharisees hearing, said, This man casts not out demons, except through Beelzebul the prince of the demons.
Matthew 12:32-36
And whosoever shall speak a word against the Son of man, it shall be forgiven unto him: but whosoever may speak against the Holy Spirit, it shall not be forgiven unto him, either in this age, or that which is to come.
Matthew 15:11-20
That if which cometh into the mouth does not defile the man; but that which cometh out from the mouth, that defiles the man.
Mark 7:15
There is nothing without a man coming into him, which is competent to defile him: but those things coming out from him, these are the things which defile the man.
Mark 7:20-22
And He said, Everything proceeding out from the man, that defiles the man.
Mark 14:55-57
And the chief priests and all the sanhedrim were seeking testimony against Him to put Him to death; and they found none.
Luke 16:24
And he calling said, Father Abraham, have mercy on me, and send Lazarus, that he may dip the tip of his finger in water, and cool my tongue, because I am tormented in this flame.
Acts 5:3
But Peter said, Ananias, wherefore hath Satan filled thy heart to lie to the Holy Ghost, and keep back a part from the price of the land?
Acts 6:13
and they raised up false witnesses, saying, This man does not cease speaking words against this holy place and the law;
Acts 20:30
and men from you yourselves will rise up, speaking perverse things, in order to lead away disciples after them.
Romans 3:13-14
Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips.
Romans 16:17-18
But I exhort you, brethren, to mark those who cause divisions and stumblings, contrary to the teaching which you have learned, and depart from them.
2 Corinthians 11:13-15
For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
Ephesians 5:3-4
But all fornication, and uncleanness, or covetousness, let it not be named among you, as it becomes saints;
Colossians 3:8-9
but you also lay aside all these; anger, wrath, malice, blasphemy, disgraceful talk out of your mouths:
2 Thessalonians 2:9-12
whose coming is according to the energy of Satan in all power and signs and wonders of falsehood,
Titus 1:11
whose mouths it is necessary to stop; who overturn whole families, teaching those things which it does not behoove, for the sake of disgraceful gain.
James 2:7
Do they not blaspheme the good name which has been called upon you?
2 Peter 2:1-2
However there were indeed false prophets among the people, as there will also be false teachers among you, whosoever shall bring in destructive heresies, even denying the Lord who bought them, bringing on themselves swift destruction.
2 Peter 3:3
knowing this first, that at the last days mockers will come forth in scoffing, walking according to their own lusts,
3 John 1:10
On account of this, if I may come, I will remember his works which he is doing, berating us with wicked speeches: and not content with these, he does not receive the brethren, and he prohibits them wishing to receive them, and casts them out of the church.
Jude 1:8-10
Likewise indeed these dreamers also pollute the flesh, and reject lordship, and blaspheme glories.
Jude 1:15-18
to execute judgment against all, and to convict all the ungodly of them for all the works of their ungodliness which they have impiously done, and for all their hard speeches which they have spoken against him, being ungodly sinners.
Revelation 2:14-15
But I have a few things against thee, because thou hast there those holding the teachings of Balaam, who taught Balak to cast a stumblingblock before the sons of Israel, and to eat things sacrificed to idols, and to commit fornication.
Revelation 12:9
And the great dragon, the old serpent, the one called the devil, and Satan, the one deceiving the whole world, was cast out: he was cast out into the earth, and his angels were cast out with him.
Revelation 13:1-5
And I stood upon the sand of the sea. And I saw a beast rising up out of the sea, having ten horns and seven heads; and upon his horns ten diadems, and upon his heads names of blasphemy.
Revelation 13:14
And he deceives those dwelling upon the earth through the signs which it was given unto him to perform in the presence of the beast, saying to those dwelling on the earth, that they should make an image to the beast, who had the wound of the sword, and did live.
Revelation 18:23
and the light of a candle shall no more shine in thee; and the voice of the bridegroom and the bride shall no longer be heard in thee: because thy merchants were the great men of the earth; because by thy sorcery all nations were deceived,
Revelation 19:20
And the beast, and the false prophet along with him, who wrought miracles in his presence, by which he deceived those having received the mark of the beast, and those worshiping his image; and the two were cast alive into the lake of fire which burns with brimstone.