The only separation the Bible knows is between believers on the one hand and unbelievers on the other. Any other kind of separation, division, disunity is of the devil. It is evil and from sin.
Desmond TutuAnd one day, this thing happened to me: I coughed, and the blood just came gushing out of my mouth. ... I still can't believe that that happened to me, but I sat there, and I said to God, 'Well, if it means I'm going to die, that's OK.' I don't think I've ever felt that same kind of peace, the kind of serenity that I felt after acknowledging that maybe I was going to die of this TB.
Desmond TutuTheology reminded me that, however diabolical the act, it did not turn the perpetrator into a demon. We had to distinguish between the deed and the perpetrator, between the sinner and the sin, to hate and condemn the sin while being filled with compassion for the sinner.
Desmond Tutu