Romans 14:23
But he that doubteth is condemned if he eat, because it is not of faith; for whatsoever is not of faith, is sin.
Romans 13:2
Whosoever therefore resisteth the power, resisteth the appointment of God; and they that resist shall receive to themselves condemnation.
1 Corinthians 8:7
But there is not in all men this knowledge; for some do even until now, with consciousness of the idol, eat it as sacrificed to the idol, and their conscience, being weak, is defiled.
1 Corinthians 11:29-31
For he that eateth and drinketh unworthily, eateth and drinketh judgment to himself, not distinguishing the Lord's body.
Romans 14:5
One man esteemeth one day above another; another esteemeth every day alike; let every man be fully persuaded in his own mind.
Titus 1:15
To the clean all things are clean; but to the defiled and unbelieving nothing is clean; but both their understanding and conscience are defiled.
Hebrews 11:6
But without faith it is impossible to please him; for he that cometh to God, must believe that he is, and that he is a rewarder of them that diligently seek him.