1 Corinthians 11:27

Therefore, whoever eats the [Lord's] bread or drinks from the Lord's cup in a way that is unworthy [of them. See verse 21], will be guilty of [dishonoring] the body and the blood of the Lord.

1 Timothy 1:13

[even] though I had previously spoken against Christ, and persecuted [Christians] and acted outrageously. However, I obtained mercy because I acted out of ignorance, not believing [in Christ].

Hebrews 10:26-29

For if we go on sinning intentionally, after we have received the full knowledge of the truth, there is no longer any sacrifice for [our] sins.

Treasury of Scripture Knowledge

Summary

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;

Through ignorance

Bible References

Through ignorance

1 Timothy 1:13
[even] though I had previously spoken against Christ, and persecuted [Christians] and acted outrageously. However, I obtained mercy because I acted out of ignorance, not believing [in Christ].
Hebrews 10:26
For if we go on sinning intentionally, after we have received the full knowledge of the truth, there is no longer any sacrifice for [our] sins.