 That's why the Bible says in 1 John 1, 9, if we confess our sins, he's faithful and just to forgive us our sins and to cleanse us from all unrighteousness. But he says, if we, talking to Christians, if we confess our sins, we enter into fellowship. In fact, that's what the whole book of 1 John is about. It's not whether you're a Christian or not.