But some closeness of status, such as the relation of parent to child or the relation of marriage, can produce the love of self-devotion where the po… - Alfred North Whitehead

Explicitly in the verbal sentence, or implicitly in the
understanding of the subject entertaining it, every expression of a proposi-
tion includes demonstrative elements. In fact each word, and each sym-
bolic phrase, is such an element, exciting the conscious prehension of some
entity belonging to one of the categories of existence.

This doctrine of necessity in universality means that there is an essence to the universe which forbids relationships beyond itself, as a violation of its rationality. Speculative philosophy seeks that essence.

Philosophy destroys its usefulness when it indulges in brilliant feats of explaining away. It is then trespassing with the wrong equipment upon the field of particular sciences. Its ultimate appeal is to the general consciousness of what in practice we experience. Whatever thread of presupposition characterizes social expression throughout the various epochs of rational societyt must find its place in philosophic theory. Speculative boldness must be balanced by complete humility before logic, and before fact. It is a disease of philosophy when it is neither bold nor humble, but
merely a reflection of the temperamental presuppositions of exceptional personalities.