“Though they may be utter strangers to each other in the flesh, and divided in temporal position as far as men can be divided from their fellow-men, there will be found one and the self-same faith, one and the self-same rule of morals, the self-same sacraments, and the self-same belief respecting those sacraments; there will be found but one mind, one heart, and one voice, as regards all the doctrines and commandments of the Church.