Numbers 15:27
And if one soul sins unwittingly, then he shall offer a she-goat a year old for a sin-offering.
Leviticus 4:27-28
And if any soul of the common people sin unwittingly, in doing any of the things which LORD has commanded not to be done, and be guilty,
Acts 3:17
And now, brothers, I know that ye did it from ignorance, as also your rulers.
Acts 17:30
Indeed therefore having overlooked the times of ignorance, God now commands for all men everywhere to repent.
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.