Hebrews 10:26
"For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more sacrifice for sins,"
Cross References (ranked by relevance)
Jesus said unto them, If ye were blind, ye should have no sin: but now ye say, We see; therefore your sin remaineth.
And that servant, which knew his lord’s will, and prepared not himself, neither did according to his will, shall be beaten with many stripes.
Therefore to him that knoweth to do good, and doeth it not, to him it is sin.
And with all deceivableness of unrighteousness in them that perish; because they received not the love of the truth, that they might be saved.
If ye know these things, happy are ye if ye do them.
Who was before a blasphemer, and a persecutor, and injurious: but I obtained mercy, because I did it ignorantly in unbelief.
And the man that will do presumptuously, and will not hearken unto the priest that standeth to minister there before the LORD thy God, or unto the judge, even that man shall die: and thou shalt put away the evil from Israel.
Speak unto the children of Israel, saying, If a soul shall sin through ignorance against any of the commandments of the LORD concerning things which ought not to be done, and shall do against any of them:
And if the whole congregation of Israel sin through ignorance, and the thing be hid from the eyes of the assembly, and they have done somewhat against any of the commandments of the LORD concerning things which should not be done, and are guilty;