Hebrews 10:26
For if we sin deliberately, after receiving the knowledge of the Truth, there is no longer any sacrifice for sins left,
Matthew 12:32
Whoever says a word against the Son of man will be forgiven, but whoever speaks against the holy Spirit will never be forgiven, neither in this world nor in the world to come.
Hebrews 10:29
How much heavier, do you suppose, will be the punishment assigned to him who has spurned the Son of God, who has profaned the covenant-blood with which he was sanctified, who has insulted the Spirit of grace?
2 Peter 2:10
particularly those who fall in with the polluting appetite of the flesh and despise the Powers celestial. Daring, presumptuous creatures! they are not afraid to scoff at the angelic Glories;