Romans 14:23
But he who doubts is condemned if he eats, because it is not from faith, and everything that is not from faith is sin.
Romans 13:2
So that he who resists the office of authority has opposed the ordinance of God, and those who have opposed will receive condemnation to themselves.
1 Corinthians 8:7
Nevertheless the knowledge is not in all men, but some, with conscience of the idol until now, eat as sacrificed to idols, and their weak conscience is defiled.
1 Corinthians 11:29-31
For he who eats and drinks unworthily, eats and drinks condemnation to himself, not discerning the body of the Lord.
Romans 14:5
One man prefers one day above another, another man prefers every day. Let each man be fully persuaded in his own mind.
Titus 1:15
Truly to the pure all things are pure, but to those who are defiled and unbelieving nothing is pure, but both their mind and their conscience are defiled.
Hebrews 11:6
And apart from faith it is impossible to please him. For he who comes to God must believe that he is, and becomes a rewarder of those who search for him.