Understanding that which is foreign to you is fundamental to cultivating a sense of connection and unity with one another. We are ultimately trying to accomplish the same thing, which is survival and the thriving of a better world.
Consequently, heretics and schismatics, separated from the unity of this Body, are able to receive the same Sacrament, but with no benefit to themselves; indeed, more to their own harm, in that they are judged the more severely rather than being liberated.
Unity of command is essential to the economy of time. Warfare in the field was like a siege: by directing all one's force to a single point a breach might be made, and the equilibrium of opposition destroyed.
In order to live a fully human life we require not only control of our bodies (though control is a prerequisite); we must touch the unity and resonance of our physicality, our bond with the natural order, the corporeal grounds of our intelligence.
Moller, in his Essay on Architecture, taught that the building which was fitted accurately to answer its end would turn out to be beautiful, though beauty had not been intended. I find the like unity in human structures rather virulent and pervasive.