1 John 5:16
If any person see his brother committing a sin not unto death, he shall request, and God will grant him life for those that sin not unto death. There is a sin unto death: I say not that he should request for that.
Hebrews 6:4-6
For it is not possible to renew again unto repentance those who have been once illuminated, and have tasted the celestial gift, and have been made partakers of the Holy Ghost,
Matthew 12:31-32
Therefore I say unto you, All sin and blasphemy shall be forgiven to men; but the blasphemy against the Spirit shall not be forgiven to men.
Luke 12:10
And every one who shall utter a word against the Son of man, it shall be forgiven him; but for him who hath blasphemed against the Holy Ghost, there shall be no forgiveness.
Mark 3:28-30
Verily I say unto you, That all sins shall be forgiven to the sons of men, and the blasphemies, whatsoever they may blaspheme:
John 17:9
I entreat for them: I make no request for the world; but for those thou hast given me; for they are thine.
2 Timothy 4:14
Alexander the brazier did me many ill offices: the Lord repay him according to his works:
Hebrews 10:26-31
For if we sin wilfully after we have received the knowledge of the truth, no more sacrifice for sins remaineth;
James 5:14-15
Is any man sick among you? let him send for the presbyters of the church; and let them pray over him, anointing him with oil in the name of the Lord:
2 Peter 2:20-22
For if having escaped from the defilements of the world by the knowledge of our Lord and Saviour Jesus Christ, they are again enveloped by them and overcome, their last deeds are worse than the first.