Christians over the centuries have had various answers to that question. The most common of which is a Bible verse from II Corinthians 6 where the Apostle Paul makes a rather dated reference to oxen and plowing. He advises his listeners not to be "unequally yoked" with people of different beliefs. Religion, Faith And Spirituality In Relationships
Unequally what? you may ask.
Not exactly the easiest metaphor to grasp from our modern standpoint, but a yoke is like a heavy, wooden collar that was placed around the necks of two oxen. It bound them together so that they could walk at the same pace and plow fields in even rows. If their yoke wasn't even—because the animals were different heights or sizes—it would rub against their skin and cause them major pain and discomfort, as they would constantly pull each other in opposing directions. This was also an ineffective way to plow and it would result in a field of messy, zigzagging lines.
In other words, interfaith relationships aren't impossible, just a lot more complicated. While some couples do make them work, I'm not certain it's for me. As tempting as it may be to date men with different beliefs, I think I'll go ahead and keep searching for one who is not only funny and attractive, but who also walks alongside me at an even pace. You, Me And God: Interfaith Relationships
What do you think? Have you ever been romantically involved with someone of a different faith?