"Do not be unequally yoked together with unbelievers. For what fellowship has righteousness with lawlessness? And what communion has light with darkness?" 2 Corinthians 6.14The union of a person that is born of the Spirit with a person that is not born of the Spirit has led to many disillusions in the faith.
Only a very few people that are faithful avoid having relationships with unbelievers.
They are under the impression that this person will eventually convert to God, but this goes completely against the Word of God and brings curses upon them.
It's like putting good fruit with rotten fruit in the same basket. The good fruit doesn't cure the rotten fruit, but the rotten fruit will destroy the good fruit.
