Hebrews 10:26
For, if we sin wilfully after we received the full knowledge of the truth, there no longer remains a sacrifice for sins,
Matthew 12:32
And whosoever speaks a word against the Son of Man, it shall be forgiven him; but whosoever speaks against the Holy Spirit, it shall not be forgiven, neither in this age nor in that which is to come.
Hebrews 10:29
of how much worse punishment, think ye, shall he be accounted worthy, who trampled under foot the Son of God, and accounted the blood of the covenant with which He was sanctified an unholy thing, and treated with contempt the Spirit of grace?
2 Peter 2:10
but especially those who walk after the flesh in a desire for pollution, and despise dominion; daring, self-willed, they tremble not, when railing at dignities;