Luke 12:48

But the one who does wrong without knowing it will be lightly punished. Much will be demanded from anyone to whom much has been given; yea, people will demand much more from anyone to whom they have entrusted much.

Romans 14:23

But the man who has misgivings about eating, if he then eats, has already condemned himself by so doing, because he did not follow his faith, and any action that does not follow one's faith is a sin.

Treasury of Scripture Knowledge

Summary

And if a soul sin, and commit any of these things which are forbidden to be done by the commandments of the LORD; though he wist it not, yet is he guilty, and shall bear his iniquity.

Bible References

Though

Luke 12:48
But the one who does wrong without knowing it will be lightly punished. Much will be demanded from anyone to whom much has been given; yea, people will demand much more from anyone to whom they have entrusted much.
Romans 14:23
But the man who has misgivings about eating, if he then eats, has already condemned himself by so doing, because he did not follow his faith, and any action that does not follow one's faith is a sin.