Romans 14:23
But he that doubts, if he eat, is condemned; because it is not of faith; but whatever is not of faith is sin.
Romans 13:2
So that he that sets himself in opposition to the authority resists the ordinance of God; and they who thus resist shall bring sentence of guilt on themselves.
1 Corinthians 8:7
But knowledge is not in all: but some, with conscience of the idol, until now eat as of a thing sacrificed to idols; and their conscience, being weak, is defiled.
1 Corinthians 11:29-31
For the eater and drinker eats and drinks judgment to himself, not distinguishing the body.
Romans 14:5
One man esteems day more than day; another esteems every day alike. Let each be fully persuaded in his own mind.
Titus 1:15
All things are pure to the pure; but to the defiled and unbelieving nothing is pure; but both their mind and their conscience are defiled.
Hebrews 11:6
But without faith it is impossible to please him. For he that draws near to God must believe that he is, and that he is a rewarder of them who seek him out.