Luke 12:10
And everyone who speaks a word against the Son of Man will be forgiven, but the person who blasphemes against the Holy Spirit will not be forgiven.
Matthew 12:31-32
For this reason I tell you, people will be forgiven for every sin and blasphemy, but the blasphemy against the Spirit will not be forgiven.
1 John 5:16
If anyone sees his fellow Christian committing a sin not resulting in death, he should ask, and God will grant life to the person who commits a sin not resulting in death. There is a sin resulting in death. I do not say that he should ask about that.
1 Timothy 1:13
even though I was formerly a blasphemer and a persecutor, and an arrogant man. But I was treated with mercy because I acted ignorantly in unbelief,
Mark 3:28-30
I tell you the truth, people will be forgiven for all sins, even all the blasphemies they utter.
Luke 23:34
[But Jesus said, "Father, forgive them, for they don't know what they are doing."] Then they threw dice to divide his clothes.
Hebrews 6:4-8
For it is impossible in the case of those who have once been enlightened, tasted the heavenly gift, become partakers of the Holy Spirit,
Hebrews 10:26-31
For if we deliberately keep on sinning after receiving the knowledge of the truth, no further sacrifice for sins is left for us,