Mark 3:28
Truly I say to you, That all sins shall be remitted to the sons of men, and defamations whatever they defame:
Matthew 12:31-32
For this I say to you, All sin and blasphemy shall be let go to men; but the blasphemy of the Spirit shall not be let go to men.
Luke 12:10
And every one who shall say a word against the Son of man, it shall be remitted to him: and to him blaspheming against the Holy Spirit, it shall not be remitted.
1 John 5:16
If any see his brother sinning a sin not to death, he shall ask, and sinning will give him life to them sinning not to death. There is a sin to death: I say not of that, that he should ask.
Mark 3:28-30
Truly I say to you, That all sins shall be remitted to the sons of men, and defamations whatever they defame:
Hebrews 6:4-8
For impossible for them once enlightened, and having tasted of the heavenly gift, and having partaken of the Holy Spirit,
Hebrews 10:26-31
For we sinning voluntarily after receiving the knowledge of the truth, there is left no more a sacrifice for sins,