This may be the passage you have in mind: Romans 14:23 -But he who doubts is condemned if he eats, because he does not eat from faith; for whatever is not from faith is sin.[NKJV]
Yes.
No, it is not a sin-just do not marry anybody of the false faith. Rather, marry a person of the opposite gender and of the true faith.
Numbers 32:23
The analogy of faith is a principle in theology that asserts the unity and coherence of biblical teachings. It suggests that as believers interpret Scripture, they should do so in a way that maintains harmony with the overarching themes and doctrines found in the Bible. In other words, all parts of Scripture should be understood in light of the whole.
The word 'sin' was used 323 times, and the word 'faith' was used 249 times. Hmm...
The book of Genesis.
Any verse in the Bible is considered scripture.
true
It means that some man has lost his rosary. Superstition (putting meanings on things like this) is a sin in the Catholic faith.
James 4:17 - Therefore, to him who knows to do good and does not do it, to him it is sin. [NKJV]James is one of the "general epistles" of the New Testament; it's found between Hebrews and 1 Peter.
To test both his word( scripture ) and his resolve( to not sin )!
bring others to a faith in the Scripture.