Romans 14:23
but he that doubts is condemned if he eats, because it is not of faith; and every thing which is not of faith is sin.
Romans 13:2
So that he who resists the power resists the ordinance of God; and those who resist shall receive judgment on themselves.
1 Corinthians 8:7
But all have not this knowledge; and some with the conscience [unenlightened] even till now eat an idol's [sacrifice] as an idol's sacrifice, and their conscience being weak is defiled.
1 Corinthians 11:29-31
for he eats and drinks judgment to himself, who eats and drinks not discerning the body.
Romans 14:5
One judges one day to be better than another, but another judges every day [to be alike]. Let each one be fully persuaded in his mind.
Titus 1:15
To the pure all things are pure; but to the defiled and unbelieving, nothing is pure; but their mind and conscience are defiled.
Hebrews 11:6
but without faith it is impossible to please; for he that comes to God, must believe that he is and that he is a rewarder of those that seek him.