Read the bible and studied it from a fundamentalist Christian and biblical literalist point of view, so yeah. I don't know a damn thing about the bible despite being able to quote verses all over it.
If abortion was so bad, proportional to murder, why doesn't the bible mention it? The bible is clear about adultery and being kind to foreigners in your lands.
No, I'm an atheist. The 1 john 5:7 is just one example of verses that later Christians thought worth adding that we have caught. Which ones haven't we caught?
