The same considerations serve to explain the moon and other satellites.
Similar considerations apply to the peculiar features of the root-system.
Considerations of this latter kind will naturally present themselves in the two great departments of cosmology and psychology, or they may be delegated to an independent research under the name of religious philosophy.
It would be wrong, however, to conclude that moral considerations have led up to this state of things.
These considerations may help towards the understanding of a second class of cases, namely forms of implicit address shading off into unaddressed formulas.