Luke 12:10
Everyone also who says a word against the Son of man will be forgiven for it, but he who blasphemes against the holy Spirit will never be forgiven.
Matthew 12:31-32
I tell you therefore, men will be forgiven any sin and blasphemy, but they will not be forgiven for blaspheming the Spirit.
1 John 5:16
If anyone notices his brother committing a sin which is not deadly, he will ask and obtain life for him ??for anyone who does not commit a deadly sin. There is such a thing as deadly sin; I do not mean he is to pray for that.
1 Timothy 1:13
though I had formerly been a blasphemer and a persecutor and a wanton aggressor. I obtained mercy because in my unbelief I had acted out of ignorance;
Mark 3:28-30
I tell you truly, the sons of men shall be forgiven all their sins, and all the blasphemies they may utter,
Luke 23:34
Jesus said, "Father, forgive them, they do not know what they are doing." Then they distributed his clothes among themselves by drawing lots.
Hebrews 6:4-8
For in the case of people who have been once enlightened, who tasted the heavenly Gift, who participated in the holy Spirit,
Hebrews 10:26-31
For if we sin deliberately, after receiving the knowledge of the Truth, there is no longer any sacrifice for sins left,