Hebrews 10:26
For if we go on sinning intentionally, after we have received the full knowledge of the truth, there is no longer any sacrifice for [our] sins.
Matthew 12:32
And whoever speaks an [abusive] word against the Son of man will be forgiven [of it], but whoever speaks [an abusive word] against the Holy Spirit will not be forgiven [of it], not in this world nor the one to come.
Hebrews 10:29
How much more severely do you think a person deserves to be punished who has trampled on the Son of God and has regarded the blood of the [New] Agreement, with which he was set apart for God, an unholy thing and has insulted the Holy Spirit, through whom God's unearned favor is shown?
2 Peter 2:10
[This fate will come upon] those people especially who corrupt themselves with physical desires and despise being ruled by others. They are daring, self-willed, and are not afraid to speak against glorious beings [i.e., angels],