Hebrews 10:26
For when we sin willfully after taking the knowledge of the truth, there remains no more a sacrifice for sins,
2 Peter 2:20-22
For if, having escaped the defilements of the world by knowledge of the Lord and Savior Jesus Christ, and, having been again entangled in these, they are overcome, the last things have become worse for them than the first.
1 John 5:16
If any man may see his brother sinning a sin not toward death, he will ask, and he will give life to him, to those not sinning toward death. There is sin toward death. I do not say that he should make request about that.
Leviticus 4:2
Speak to the sons of Israel, saying, If a soul shall sin unwittingly, in any of the things which LORD has commanded not to be done, and shall do any one of them,
Leviticus 4:13
And if the whole congregation of Israel err, and the thing be hid from the eyes of the assembly, and they have done any of the things which LORD has commanded not to be done, and are guilty,
Numbers 15:28-31
And the priest shall make atonement for the soul that errs, when he sins unwittingly, before LORD, to make atonement for him, and he shall be forgiven.
Deuteronomy 17:12
And the man who does presumptuously, in not hearkening to the priest who stands to minister there before LORD thy God, or to the judge, even that man shall die, and thou shall put away the evil from Israel.
Daniel 5:22-23
And thou his son, O Belshazzar, have not humbled thy heart, though thou knew all this,
Luke 12:47
And that bondman who knew his lord's will, and who did not prepare, nor do according to his will, will be beaten much,
John 9:41
Jesus said to them, If ye were blind, ye would have no sin, but now ye say, We see, therefore your sin remains.
John 13:17
If ye have seen these things, blessed are ye if ye do them.
John 15:22-24
If I had not come and spoken to them, they would not have had sin, but now they have no excuse for their sin.
2 Thessalonians 2:10
and in all deception of unrighteousness in those who are perishing, in return for which, they did not accept the love of the truth in order for them to be saved.
1 Timothy 1:13
the man who was formerly blasphemous, and a persecutor, and an aggressor. But I obtained mercy because I did it being ignorant in unbelief.
Hebrews 6:4-6
For it is impossible for those who were once enlightened, and who tasted of the heavenly gift, and who became partakers of Holy Spirit,
Matthew 12:43-45
But when the unclean spirit goes forth out of the man, it passes through waterless places, seeking rest, and finds it not.
Psalm 19:12-13
Who can discern [his] errors? Clear thou me from hidden [faults].
Matthew 12:31-32
Because of this I say to you, every sin and blasphemy will be forgiven to men, but the blasphemy of the spirit will not be forgiven men.
James 4:17
He therefore who knows to do good, and is not doing it, to him it is sin.