'Ignorance' in the Bible

And now, brethren, I have known that through ignorance ye did it, as also your rulers;

the times, indeed, therefore, of the ignorance God having overlooked, doth now command all men everywhere to reform,

awake up, as is right, and sin not; for certain have an ignorance of God; for shame to you I say it.

being darkened in the understanding, being alienated from the life of God, because of the ignorance that is in them, because of the hardness of their heart,

as obedient children, not fashioning yourselves to the former desires in your ignorance,

because, so is the will of God, doing good, to put to silence the ignorance of the foolish men;