Romans 14:23

But he that doubts is condemned, if he eat, because he eats not with faith. Every thing that is not of faith, is sin.

Romans 13:2

Therefore, he that resists the authority, resists the appointment of God; and those who resist shall receive to themselves condemnation.

1 Corinthians 8:7

But all have not this knowledge; for some, under the persuasion that an idol is a reality, even yet eat meat, as if it were offered to an idol, and their conscience being weak, is defiled.

1 Corinthians 11:29-31

for he that eats and drinks in an improper manner, eats and drinks condemnation to himself, not discerning the Lord's body.

Romans 14:5

One man thinks that one day is better than another; another thinks that every day is alike. Let each be fully assured in his own mind.

Titus 1:15

To the pure, all things are pure: but to the denied and unbelieving, nothing is pure; but their mind and their conscience are denied.

Hebrews 11:6

But without faith it is impossible to please him; for he that comes to God must believe that he is, and that he is a rewarder of those who diligently 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
But all have not this knowledge; for some, under the persuasion that an idol is a reality, even yet eat meat, as if it were offered to an idol, and their conscience being weak, is defiled.

Damned

Romans 13:2
Therefore, he that resists the authority, resists the appointment of God; and those who resist shall receive to themselves condemnation.
1 Corinthians 11:29
for he that eats and drinks in an improper manner, eats and drinks condemnation to himself, not discerning the Lord's body.

Whatsoever

Titus 1:15
To the pure, all things are pure: but to the denied and unbelieving, nothing is pure; but their mind and their conscience are denied.
Hebrews 11:6
But without faith it is impossible to please him; for he that comes to God must believe that he is, and that he is a rewarder of those who diligently seek him.