Romans 14:15

If, for the sake of what you eat, you wound your Brother's feelings, your life has ceased to be ruled by love. Do not, by what you eat, ruin a man for whom Christ died!

1 Corinthians 8:10-13

For if some one should see you who possess this knowledge, feasting in an idol's temple, will not his conscience, if he is a weak man, become so hardened that he, too, will eat food offered to idols?

Treasury of Scripture Knowledge

Summary

And he did evil in the sight of the LORD, and walked in the way of his father, and in his sin wherewith he made Israel to sin.

Bible References

In his sin

Romans 14:15
If, for the sake of what you eat, you wound your Brother's feelings, your life has ceased to be ruled by love. Do not, by what you eat, ruin a man for whom Christ died!
1 Corinthians 8:10
For if some one should see you who possess this knowledge, feasting in an idol's temple, will not his conscience, if he is a weak man, become so hardened that he, too, will eat food offered to idols?