Thank you.
As the webmaster/founder, thank you. What I wish (and some members get this) is that we could understand disagreeing with the person is distinct from personally attacking the person. Trust me, I've seen it all from complete insanity (I talk to Jesus and have gave me a new Bible [which when I post this new Bible it really sounds like the KJV redux]) to really smart people who are essentially right but don't know how to talk to someone.
I can think of very few experiences where someone talked to someone in this manner:
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Christian #1: You're completely wrong, moron, and you show that you are a spiritual baby when it comes to understanding the higher things of God!!! Repent of your sin!!!!!!!!!!!
Christian #2: Thank you, kind sir, for showing me the error of my ways, now I shall go and repent in dust and ashes. Can we become friends so I can go make fun of other sinners like myself?
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Okay so maybe that contains hyperbole, but I've seen some folks who almost have this line of thinking in how they approach other Christians.
I think we have to understand that there are closed-hand (or close-fisted) issues and then open hand issues. I backed away, as a personal example, from some of my Rapture rhetoric because I realized ticking people off who believed in the Rapture gets me nowhere if I want to affect them.
I absolutely think you can be nice while standing up to core tenants, convictions, and doctrine of Christianity. But, let's go to the Word of God on the matter:
Paul tells us this when speaking to outsiders:
Colossians 4:6
Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person.
We have to keep in mind that our conduct here, just as in public in real life, is essentially on a stage. Arguably, your conduct here is even more important because a historical record is kept in the form of your discussion. It's not just a discussion between you and another person. It includes the community as a whole and people who may be looking at Christianity for the first time. There's nothing wrong (and even something admirable) about standing up to a heresey, but other eyes are on you.
It's a good idea to self-question if we're representing Jesus or not in our reply.