1 Corinthians 8:7

But remember, it is not everyone who has this 'knowledge.' Some who have hitherto been accustomed to idols eat the food as food which has been really offered to an idol, and so their weaker conscience is contaminated.

Romans 14:14

I know, I am certain in the Lord Jesus, that nothing is in itself unclean; only, anything is unclean for a man who considers it unclean.

1 Corinthians 8:9-10

But see that the exercise of your right does not prove any stumbling-block to the weak.

1 Corinthians 10:28-29

But if someone tells you, 'This was sacrificial meat,' then do not eat it; you must consider the man who told you, and also take conscience into account ??29 his conscience, I mean, not your own; for why should one's own freedom be called in question by someone else's conscience?

Romans 14:22-23

Certainly keep your own conviction on the matter, as between yourself and God; he is a fortunate man who has no misgivings about what he allows himself to eat.

1 Corinthians 1:10-11

Brothers, for the sake of our Lord Jesus Christ I beg of you all to drop these party-cries. There must be no cliques among you; you must regain your common temper and attitude.

Treasury of Scripture Knowledge

Summary

Howbeit there is not in every man that knowledge: for some with conscience of the idol unto this hour eat it as a thing offered unto an idol; and their conscience being weak is defiled.

Bible References

There

1 Corinthians 1:10
Brothers, for the sake of our Lord Jesus Christ I beg of you all to drop these party-cries. There must be no cliques among you; you must regain your common temper and attitude.

With

1 Corinthians 8:9
But see that the exercise of your right does not prove any stumbling-block to the weak.
1 Corinthians 10:28
But if someone tells you, 'This was sacrificial meat,' then do not eat it; you must consider the man who told you, and also take conscience into account ??29 his conscience, I mean, not your own; for why should one's own freedom be called in question by someone else's conscience?
Romans 14:14
I know, I am certain in the Lord Jesus, that nothing is in itself unclean; only, anything is unclean for a man who considers it unclean.