Romans 14:23

But the one who doubts is condemned if he eats, because he does not [do so] from faith, and everything that [is] not from faith is sin.

Romans 13:2

So then, the one who resists authority resists the ordinance [which is] from God, and those who resist will receive condemnation on themselves.

1 Corinthians 8:7

But this knowledge [is] not in everyone. But some, being accustomed until now to the idol, eat [this food] as food sacrificed to idols, and their conscience, [because it] is weak, is defiled.

1 Corinthians 11:29-31

For the one who eats and drinks, [if he] does not recognize the body, eats and drinks judgment against himself.

Romans 14:5

One person prefers [one] day over [another] day, and another person regards every day [alike]. Each one 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 conscience are defiled.

Hebrews 11:6

Now without faith [it is] impossible to please [him], for the one who approaches God must believe that he exists and 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
But this knowledge [is] not in everyone. But some, being accustomed until now to the idol, eat [this food] as food sacrificed to idols, and their conscience, [because it] is weak, is defiled.

Damned

Romans 13:2
So then, the one who resists authority resists the ordinance [which is] from God, and those who resist will receive condemnation on themselves.
1 Corinthians 11:29
For the one who eats and drinks, [if he] does not recognize the body, eats and drinks judgment against himself.

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 conscience are defiled.
Hebrews 11:6
Now without faith [it is] impossible to please [him], for the one who approaches God must believe that he exists and is a rewarder of those who seek him.