Romans 14:23

But he who doubts is condemned if he eats, because his eating is not from faith; and whatever is not from faith is sin.

Romans 13:2

Therefore whoever resists authority has opposed the ordinance of God; and they who have opposed will receive condemnation upon themselves.

1 Corinthians 8:7

However not all men have this knowledge; but some, being accustomed to the idol until now, eat food as if it were sacrificed to an idol; and their conscience being weak is defiled.

1 Corinthians 11:29-31

For he who eats and drinks, eats and drinks judgment to himself if he does not judge the body rightly.

Romans 14:5

One person regards one day above another, another regards every day alike. Each person must be fully convinced in his own mind.

Titus 1:15

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 without faith it is impossible to please Him, for he who comes to God must believe that He is and that He is a rewarder of those who seek Him.

Treasury of Scripture Knowledge

Summary

And he that doubteth is damned if he eat, because he eateth not of faith: for whatsoever is not of faith is sin.

Bible References

He that

1 Corinthians 8:7
However not all men have this knowledge; but some, being accustomed to the idol until now, eat food as if it were sacrificed to an idol; and their conscience being weak is defiled.

Damned

Romans 13:2
Therefore whoever resists authority has opposed the ordinance of God; and they who have opposed will receive condemnation upon themselves.
1 Corinthians 11:29
For he who eats and drinks, eats and drinks judgment to himself if he does not judge the body rightly.

Whatsoever

Titus 1:15
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 without faith it is impossible to please Him, for he who comes to God must believe that He is and that He is a rewarder of those who seek Him.