All.

Isaiah 1:18 Come now, and let us reason together, said the LORD: though your sins be as scarlet, they shall be as white as snow...

Isaiah 55:7 Let the wicked forsake his way, and the unrighteous man his thoughts: and let him return to the LORD, and he will have mercy on him...

Ezekiel 33:11 Say to them, As I live, said the Lord GOD, I have no pleasure in the death of the wicked...

1 Timothy 1:13-15 Who was before a blasphemer, and a persecutor, and injurious: but I obtained mercy, because I did it ignorantly in unbelief...

Hebrews 6:4 For it is impossible for those who were once enlightened, and have tasted of the heavenly gift...

*etc:

Hebrews 10:26,29 For if we sin willfully after that we have received the knowledge of the truth, there remains no more sacrifice for sins...

1 John 1:9 If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.

1 John 2:1,2 My little children, these things write I to you, that you sin not. And if any man sin, we have an advocate with the Father...

blasphemy. Blasphemy, [blasphemia,] either from [blapto ten phemen,] to hurt, or blast the reputation, or from [ballo tais phemais,] to smite with words, or reports, when applied to men denotes injurious speaking, or calumny, and when used in reference to God signifies speaking impiously of his nature, attributes, and works.

but.

Mark 3:28-30 Truly I say to you, All sins shall be forgiven to the sons of men, and blasphemies with which soever they shall blaspheme...

Luke 12:10 And whoever shall speak a word against the Son of man, it shall be forgiven him...

Acts 7:51 You stiff necked and uncircumcised in heart and ears, you do always resist the Holy Ghost: as your fathers did, so do you.

1 John 5:16 If any man see his brother sin a sin which is not to death, he shall ask, and he shall give him life for them that sin not to death...