Romans 14:23
He, however, who has misgivings stands condemned if he still eats, because his doing so is not the result of faith. And anything not done as the result of faith is a sin.
Romans 13:2
Therefore he who sets himself against the authorities is resisting God's appointment, and those who resist will bring a judgment upon themselves.
1 Corinthians 8:7
Still, it is not every one that has this knowledge. Some people, because of their association with idols, continued down to the present time, eat the food as food offered to an idol; and their consciences, while still weak, are dulled.
1 Corinthians 11:29-31
For the man who eats and drinks brings a judgment upon himself by his eating and drinking, when he does not discern the body.
Romans 14:5
Again, one man considers some days to be more sacred than others, while another considers all days to be alike. Every one ought to be fully convinced in his own mind.
Titus 1:15
Everything is pure to the pure-minded, but to those whose minds are polluted and who are unbelievers nothing is pure. Their minds and consciences are alike polluted.
Hebrews 11:6
But without faith it is impossible to please him, for he who comes to God must believe that God exists, and that he rewards those who seek for him.