Hebrews 10:26
For if we go willfully sinning after we have received full knowledge of the truth, there is no sacrifice left to be offered for our sins,
Matthew 12:32
And whoever speaks a word against the Son of Man will be forgiven for it, but whoever speaks abusively against the Holy Spirit will not be forgiven for it, either in this world or in the world to come.
Hebrews 10:29
How much severer punishment do you suppose that one deserves who tramples the Son of God underfoot, and counts as a common thing the blood of the covenant by which he was consecrated, and has insulted the Spirit that grants God's unmerited favor?
2 Peter 2:10
especially those who satisfy their lower nature by indulging in its evil passions which defile them, and who despise authority. Daring, headstrong men! They do not tremble when they abuse persons of majesty,