They went out from us, but they didn't belong to us; for if they had belonged to us, they would have continued with us. But they left, that they might be revealed that none of them belong to us.

 John was perfectly right when he drew his sharp distinction between light and dark, love and hate, without shades and halfway stages. Our brother cannot be disregarded; he is part of the landscape. The question is how, do we regard him? 