Hebrews 10:26
For if we sin willingly after having received the knowledge of the truth, there is no longer a sacrifice left for sins,
Matthew 12:32
And if one speaks a word against the Son of man it shall be forgiven him; but if one speaks against the Holy Spirit it shall not be forgiven him either in this life or in that to come.
Hebrews 10:29
of how much greater punishment do you suppose he will be thought worthy, who has trodden down the Son of God, and accounted defiled the blood of the covenant with which he was purified, and treated injuriously the Spirit of grace.
2 Peter 2:10
but especially those who walk after the flesh, in corrupt desires, and despise goverment. Presumptuous, self-complacent, they fear not to revile glories,