Bible Verses About Offences Against the Holy Spirit: Blasphemy against him, unpardonable

Because of this, I tell you that people will be forgiven any sin and blasphemy, but blaspheming the Ruach HaKodesh will not be forgiven.

One can say something against the Son of Man and be forgiven; but whoever keeps on speaking against the Ruach HaKodesh will never be forgiven, neither in the `olam hazeh nor in the `olam haba.

If anyone sees his brother committing a sin that does not lead to death, he will ask; and God will give him life for those whose sinning does not lead to death. There is sin that does lead to death; I am not saying he should pray about that.