Thank you for the respectful reply, fs. I, too, make this prayer (that we all may be one), but more in terms of love than doctrine. 

I think that Christians, historically, have given too much of their time, and expended too much effort, to achieve a unity we will probably never achieve here; indeed, have never achieved here. (Read the letters of Paul that address doctrinal dissent among early Christians.) The quest for this doctrinal will-o-the-wisp has often expressed itself harshly, intolerantly, and with a degree of personal violence that must have left Heaven awash with bitter tears. It has often made us forget the over-arching need for the trademark of any genuine Christian : love, the necessity for salvation.

I shall never seek too hard to have my brother or sister believe what I believe; but I shall seek to have them love. We can all do this, regardless of the divergence in our beliefs. Sound sentimental? Perhaps. But isn't this what Paul alludes to in 1 Cor: 13?

Safe home.