Hebrews 10:26
For we sinning willingly after we have received the perfect knowledge of the truth, there is left no more sacrifice for sins,
Matthew 12:32
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.
Hebrews 10:29
of how much more terrible punishment, do you think, the one having trodden under foot the Son of God, and counted the blood of the covenant, by which he was sanctified, common, and insulted the Spirit of grace; be counted worthy!
2 Peter 2:10
and especially those going after the flesh in the lust of pollution, and despising lordship. Audacious darers, blaspheming, they do not tremble at glories;