Cross reference
Numbers 15:27
27 `And if one person sin in ignorance, then he hath brought near a she-goat, daughter of a year, for a sin-offering;
Leviticus 4:27-28
27 `And if any person of the people of the land sin through ignorance, by his doing `something against' one of the commands of Jehovah `regarding things' which are not to be done, and hath been guilty --
28 or his sin which he hath sinned hath been made known unto him, then he hath brought in his offering, a kid of the goats, a perfect one, a female, for his sin which he hath sinned,
Acts 3:17
17 `And now, brethren, I have known that through ignorance ye did `it', as also your rulers;
Acts 17:30
30 the times, indeed, therefore, of the ignorance God having overlooked, doth now command all men everywhere to reform,
1 Timothy 1:13
13 who before was speaking evil, and persecuting, and insulting, but I found kindness, because, being ignorant, I did `it' in unbelief,